Academic literature on the topic '20th century american history'

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Journal articles on the topic "20th century american history"

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Corwin, Jay. "History, Mythology, and 20th Century Latin American Fiction." Theory in Action 14, no. 4 (October 31, 2021): 4–16. http://dx.doi.org/10.3798/tia.1937-0237.2126.

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The history of the Americas from the colonial period is marked by a large influx of persons from Europe and Africa. Fiction in 20th Century Latin America is marked by ties to the Chronicles and the history of human melding in the Americas, with a natural flow of social and religious syncretism that shapes the unique literary aesthetics of its literatures as may be witnessed in representative authors of genuine merit from different regions of Latin America.
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Falk, Julia S. "Turn to the history of linguistics." Historiographia Linguistica 30, no. 1-2 (September 16, 2003): 129–85. http://dx.doi.org/10.1075/hl.30.1.05fal.

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Summary In the 1940s and 1950s, the leading proponents of American synchronic linguistics showed little interest in the history of linguistics. Some attention to historiography occurred in subfields of linguistics closest to the humanities – linguistic anthropology, historical linguistics, modern European languages – but the ‘science of language’ developed by Leonard Bloomfield and his descriptivist followers demanded autonomy from other disciplines and from the past. Increasing American contact with European linguistics during the 1950s culminated in the 1962 Ninth International Congress of Linguists in Cambridge, Massachusetts. Here Noam Chomsky presented a plenary session paper that appeared in print in four versions between 1962 and 1964, each version incorporating an increasing amount of discussion of the early 20th-century precursors to the descriptivists and a number of 17th- and 19th-century studies of language and mind. Charles Hockett responded by organizing his 1964 presidential address to the Linguistic Society of America as a history of linguistics, emphasizing periods, figures, and ideas not included in Chomsky’s work. Historiographers of the time recognized a surge of American interest in the history of linguistics beginning in the early 1960s and most attributed it largely to Chomsky’s work. Historiographic publication increased significantly among the descriptivists; at the same time it emerged among the generativists, most of whom followed Chomsky in exploring pre-20th-century philosophical ideas or reconsidering concepts and practices of the descriptivists’ forerunners. The resulting visibility and impetus to the history of linguistics contributed to the foundation upon which linguistic historiography matured in North America in the later decades of the 20th century.
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Blake, Casey N., and Michael Kammen. "American Culture, American Tastes: Social Change and the 20th Century." Journal of American History 87, no. 4 (March 2001): 1449. http://dx.doi.org/10.2307/2674740.

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Mascareño, Dr Aldo. "The Limits of Functional Differentiation under Populist Rule in Latin America." Soziale Systeme 23, no. 1-2 (June 1, 2018): 47–67. http://dx.doi.org/10.1515/sosys-2018-0004.

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Abstract Populism has been one of the most outstanding features of Latin American politics throughout the 20th century. By controlling political and economic operations and appealing to the semantic construction of pueblo (the people), populism has succeeded in shaping a regional variant of functional differentiation. This process is analyzed along three phases of Latin American history, the pre-populist age of caudillos, the classic populism in the 20th century, and the neo-populist period in the 21st century. The article concludes with a reflection on the consequences of populism for the institutional framework in Latin America.
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Ivanov, Nikolai. "The Monroe Doctrine and Anglo-American Rivalry in Latin America, 19th – early 20th centuries." Novaia i noveishaia istoriia, no. 5 (2023): 87. http://dx.doi.org/10.31857/s013038640028070-5.

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In the article, the author analyses the issues related to the US adoption of the Monroe Doctrine in 1823 in the context of Anglo-American confrontation and rivalry in Latin America. The author examines the relations between the USA and Great Britain during the Spanish American wars of independence, the main aspects of the policy of “neutrality”, the actual support of Latin American patriots in their struggle against the Spanish metropole. Despite the common interest in preventing European competitors from entering South America, the Americans did not sign a joint document with the British, despite repeated proposals from London. The Doctrine was put into effect under conditions unfavourable to the US, characterised by Britain's unchallenged world domination in military and economic power. However, by the end of the nineteenth century, the situation changed dramatically in favour of the USA. The author analyses the content of the Doctrine (“America for the Americans”), its adjustment in the course of the rivalry between the USA and Great Britain in the nineteenth and early twentieth centuries, and the concessions made by the UK in its rivalry with its strategic competitor. In all events related to the Anglo-American rivalry in Latin America, the Monroe Doctrine was the “starting point’ for the actions and statements of American politicians, and it is not by chance that President Woodrow Wilson stated at the 1919 Paris Peace Conference that the doctrine should be extended to the whole world.
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Barke, M., R. Fribush, and P. N. Stearns. "Nervous Breakdown in 20th-Century American Culture." Journal of Social History 33, no. 3 (March 1, 2000): 565–84. http://dx.doi.org/10.1353/jsh.2000.0001.

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De Santis, Marcelo Domingos. "A bibliographic review of the history of Dexiinae (Diptera, Tachinidae) taxonomy in the Neotropical Region with bibliographic notes on Dominik Bilimek and Fritz Plaumann." Arquivos de Zoologia 53, no. 4 (December 1, 2022): 53–72. http://dx.doi.org/10.11606/2176-7793/2022.53.04.

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The knowledge of Dexiinae and Tachinidae diversity in the Neotropical Region, in contrast to other regions, e.g., the Palaearctic Region, is in a poor condition. The history of these taxa has gradually increased since the 18th Century from the works of European and North American authors such as Johan C. Fabricius, Christian R.W. Wiedemann, Jean B. Robineau-Desvoidy, Pierre J.-M. Macquart, Jacques M.F. Bigot, Francis Walker, Victor von Röeder, Ermanno Giglio-Tos, Friedrich M. Brauer and Julius E. Bergenstamm, Frederik M. van der Wulp, Charles H. Curran, John M. Aldrich, Charles H.T. Townsend, Henry J. Reinhard and William R. Thompson. It was only in the first half of the 20th Century that scientists born or established in South America began to enter tachinidology. Dipterists like Jean Brèthes and Everardo E. Blanchard from Argentina, Rául E. Cortés Peña from Chile and José H. Guimarães from Brazil, are the most memorable names for, not only to Neotropical Dexiinae, but, indeed for the whole family. Herein, a brief chronological review of tachinidology, with emphasis on Dexiinae and based on a literature review, is given. The history is divided into four periods: the pre-Linnaean period of the 16th and 17th Centuries, the 18th Century, the 19th Century and the first half of the 20th Century. After the first half of 20th Century, the emphasis is focused on European and North American dipterists with an overview of their contributions on Dexiinae taxonomy. Later, with presence of the South American dipterists, the emphasis is directed to them. Then a few notes are given on the Czech Dominik Bilimek, a poorly known collector from the 19th Century and Fritz Plaumann, a well-known German immigrant who collected in Brazil during the earlier 20th Century. Finally, some notes and perspectives about the 21st Century dexiinidology from the Neotropics is briefly discussed.
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Khrenov, Nikolai A. "Civilizations in competition for leadership in history: America as a type of civilization in the 20th century (a cultural aspect)." Verhnevolzhski Philological Bulletin 2, no. 25 (2021): 187–99. http://dx.doi.org/10.20323/2499-9679-2021-2-25-187-199.

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The article is a fragment of a bigger work on the relationships of three civilizations – America, China and Russia – at the turn of the XX-XXI centuries, based on the principle of the «Other». It focuses on the formation of America as aspecial type of civilization in the pace of the past century. It is recorded that in the twentieth century America ceased to be a mere part of the Old World and became an independent type of civilization, and, beginning with Hiroshima, claimed the status of a civilization-leader in geopolitics. The aim of this article is to give an answer to the cultural and philosophical question of where America stands during the early decades of the 20th century from a civilizational perspective. The author proposes a new methodological and conceptual way of reflection connected with shifting from the ideas of O. Spengler, who did not include America in the list of independent civilizations, and extrapolating E. Gibbon's conclusion with regard to the Roman civilization (which America is often compared with) that its fall began at the peak of its development. On the basis of representative empirical material of American cinema (F. F. Coppola's Apocalypse Now, A. Penn's Little Big Man) the author identifies and analyzes the intentions of American culture, showing its transition to the next stage of its history with such signs as the dramatic ideological confrontation between the images of the «empire of trust» and the «empire of evil», the degradation of personality and society affected by the imperial complex, the awareness of the apocalyptic genocide of the ancient Indian civilization. The study provides convincing evidence that contemporary American cinema is becoming a powerful means of both diagnosing the situation of America as it is today and de-mythologizing American «heroic» history. Thus, cinema brings Americans back from their own virtual history-simulacrum to reality, opening up the possibility of a deeper understanding of America both as a civilization type and as a specific collective identity of Americans. Understanding no longer from the point of view of its ruling elite, but simply of a human being. This fact gives hope for establishing deeper human relationships between America and other civilizations which it views as the «Others».
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Núñez Valdés, Juan, Fernando de Pablos Pons, and Antonio Ramos Carrillo. "Pioneering Black African American Women Chemists and Pharmacists." Foundations 2, no. 3 (August 2, 2022): 624–38. http://dx.doi.org/10.3390/foundations2030043.

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Alm, Martin. "American-European Relations in U. S. World History Textbooks, 1921-2001." American Studies in Scandinavia 44, no. 2 (September 1, 2012): 95–112. http://dx.doi.org/10.22439/asca.v44i2.4918.

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This article studies U.S. views of the historical relationship between the U.S. and Europe as conceived during the 20th century. This is examined through U.S. World history text books dating from 1921 to 2001. The textbooks view relations within a general teleological narrative of progress through democracy and technology. Generally, the textbooks stress the significan ce of the English heritage to American society. From the American Revolution onwards, however, the U.S. stands as an example to Europe. Beginning with the two world wars, it also intervenes directly in Europe in order to save democracy. In the Cold War, the U.S. finally acknowledges the lea ding role it has been assigned in the world. Through its democratic ideals, the U.S. historically has a spe cial relationship with Great Britain and, by the 20th century, Western Europe in general. An American identity is established both in conjunction with Western Europe, by emphasizing their common democratic tradition, and in opposition to it, by stressing how the Americans have developed this tradition better than the Europeans, creating a more egalitarian and libertarian society. There is a need for Europe to become more like the U.S., and a Europe that does not follow the American lead is viewed with suspicion.
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Dissertations / Theses on the topic "20th century american history"

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De, Rouvray Cristel Anne. "Economists writing history : American and French experience in the mid 20th century." Thesis, London School of Economics and Political Science (University of London), 2005. http://etheses.lse.ac.uk/36/.

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If one considers the fortunes of economic history in the 20th century U.S., the 1940s, 50s and 60s stand out as a particularly vibrant time for the field and economists’ contributions to it. These decades saw the creation of the main association and journals - the Economic History Association, the Journal of Economic History for example – and the launching of large research programs – Harvard’s history of entrepreneurship, Simon Kuznets’ retrospective accounts, cliometrics for example. Why did American economists write so much history in the decades immediately following WWII, and why and how did this change with cliometrics? To answer these questions I use interviews with scholars who were active in the mid 20th century, their publications and archival material. The bulk of the analysis focuses on the U.S., yet it relies in part on a comparison with France where economic history also experienced a golden period at this time, though it involved few economists. Instead it was the domain of Annales historians. This comparison sheds light on the ways in which the labels “economist” and “historian” changed meaning throughout the period of study. Economists’ general interest for history is best understood as a part of an ongoing debate on scientific method, specifically about whether and how to observe and what constitutes reliable empirical evidence. These debates contributed both to draw social scientists to history, and change the way they wrote history. In the U.S. the mid 20th century surge in economist-history was principally due to the post-war demand for knowledge about growth and development. The sense of urgency that came with this task increased scholars’ willingness to work with estimated (as opposed to found) data. This was reinforced by American economists’ experience in war planning and ensuing spread of an operations research mentality among graduate students. The issue of whether or not to estimate became a new demarcation line between “historians” and “economists”. By the late 1960s, scholars who wanted to turn to the past to observe economies evolve over several decades, and let these facts “speak for themselves” had largely been replaced by researchers who used modern economic theory to frame historical investigation, and relied on quantification and estimation as their main empirical inputs.
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Hart, Bradley William. "British, German, and American eugenicists in transnational context, c. 1900-1939." Thesis, University of Cambridge, 2011. https://www.repository.cam.ac.uk/handle/1810/283886.

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Sutherland, Frederick E. "The Cuyuna Iron Range| Legacy of a 20th century industrial community." Thesis, Michigan Technological University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10120229.

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The Cuyuna Range is a former North American iron mining district about 90 miles(145 kilometers) west of Duluth in central Minnesota. The district was the furthest south and west of the three Minnesota iron ranges (Vermilion, Mesabi, and Cuyuna). In 2011, Students and staff from Michigan Technological University's Department of Social Sciences were asked to identify and promote features of the Cuyuna Range's mining heritage. Methods and approaches of mulitsited archaeology were used to unify the diverse places and themes into a more cohesive narrative. Their investigations focused on sites of technological innovation, social conflict, and important people. One collaborative project involved training a team of local volunteers to survey seven iron mining communities to identify sites with historic importance. In total, 876 sites were documented. The data generated from this effort can be used to develop plans for cultural tourism focused on the iron mining heritage of the Cuyuna Iron Range. It was found that using multiple themes from multisited archaeology strengthened the region’s narrative better than simply focusing on sites from a single thematic viewpoint

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Zheng, Juan. "African American Cultural Products and Social Uplift, the End of the 19th Century - the Early of the 20th Century." W&M ScholarWorks, 2004. https://scholarworks.wm.edu/etd/1539626432.

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Ruffing, Jason L. "A Century of Overproduction in American Agriculture." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc700066/.

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American agriculture in the twentieth century underwent immense transformations. The triumphs in agriculture are emblematic of post-war American progress and expansion but do not accurately depict the evolution of American agriculture throughout an entire century of agricultural depression and economic failure. Some characteristics of this evolution are unprecedented efficiency in terms of output per capita, rapid industrialization and mechanization, the gradual slip of agriculture's portion of GNP, and an exodus of millions of farmers from agriculture leading to fewer and larger farms. The purpose of this thesis is to provide an environmental history and political ecology of overproduction, which has lead to constant surpluses, federal price and subsidy intervention, and environmental concerns about sustainability and food safety. This project explores the political economy of output maximization during these years, roughly from WWI through the present, studying various environmental, economic, and social effects of overproduction and output maximization. The complex eco system of modern agriculture is heavily impacted by the political and economic systems in which it is intrinsically embedded, obfuscating hopes of food and agricultural reforms on many different levels. Overproduction and surplus are central to modern agriculture and to the food that has fueled American bodies for decades. Studying overproduction, or operating at rapidly expanding levels of output maximization, will provide a unique lens through which to look at the profound impact that the previous century of technological advance and farm legislation has had on agriculture in America.
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Forrester, Katrina Max. "Liberalism and realism in American political thought, 1950-1990." Thesis, University of Cambridge, 2013. https://www.repository.cam.ac.uk/handle/1810/283922.

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Häusler, Clemens Albert Josef. "The transatlantic exchange between American liberals, British Labourites, and German social democrats from the mid-1950s to the mid-1970s." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609089.

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Byers, Mark. "After the new failure of nerve : Charles Olson and American modernism, 1946-1951." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:02478ea1-832a-4ecc-9c47-a264ba746c49.

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One medium has dominated accounts of American art in the years following the Second World War. The period witnessed, in the words of one critic, a 'Triumph of American Painting', with advances in the easel picture far surpassing those in other media. Whilst more recent accounts have nuanced this view, drawing attention to developments in music and sculpture, literary contributions to the new American modernism have gone almost without assessment. Were there advances in literature comparable to those of Mark Rothko and Barnett Newman, David Smith and John Cage? Drawing extensively on his unpublished writings, After the New Failure of Nerve reveals the poet Charles Olson to have been the keenest literary advocate of the new American avant-garde and one of the most astute observers of its conditions and possibilities. Paying special attention to unpublished notes, lectures, and correspondence, the thesis utilises Olson's early writings in order to examine the momentum given early postwar modernism by a potent contemporary reaction against abstract rationality, a reaction identified at the time as a 'New Failure of Nerve'. Born of recent disillusionment with 'scientific' Marxism and New Deal progressivism, the thesis demonstrates the several ways in which this 'New Failure of Nerve' fuelled vanguard American art from the middle of the Second World War to the end of the decade. It argues that the new critique of abstract rationality - which was also reflected in the contemporary American work of the Frankfurt School - defined the way American artists understood the function of postwar modernism, the posture of the postwar modernist artist, and the status of the postwar modernist artwork. This pivotal moment in the history of modernism was shaped, I contend, by a philosophical critique explored most ambitiously by an American poet.
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李百臻 and Pak-tsun Lee. "The late Qing revolutionaries' understanding of the American War of Independence." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31951399.

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MacNeill, Molly. "Church and state : public education and the American religious right." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21237.

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In the late 1970's and 1980's, education issues formed a pivotal part of the American religious conservative agenda. The issues of school prayer, textbook content and the teaching of evolution in particular inspired lively debate and committed activism on the part of conservative Protestant leaders and activists. Confronting the behemoth of secular humanism, these leaders sought to win converts and to foment action in the converted through two separate modes of rhetoric: the emotional, which used impassioned arguments, and the intellectual, a more phlegmatic approach used to achieve political ends. Finding their roots in the 1920's, conservative Protestants have placed paramount importance on education issues throughout American history, believing that the United States is a fundamentally Christian nation, founded on a normative Protestant world view, and that American children should be taught according to these principles.
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Books on the topic "20th century american history"

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Lacey, Bill. 20th century American history activators. El Cajon, CA: Interaction Publishers, 1995.

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Blades, Andrew. 20th century American literature. New York: Longman, 2011.

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Hornsby, Alton. Milestones in 20th-century African-American history. Detroit: Visible Ink Press, 1993.

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John, Carlin. Imagining America: Icons of 20th-century American art. New Haven: Yale University Press, 2005.

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Jeffrey, Laura S. American inventors of the 20th century. Springfield, N.J., U.S.A: Enslow Publishers, 1996.

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Abbotson, Susan C. W. Masterpieces of 20th-century American drama. Westport, Conn: Greenwood Press, 2005.

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Boyer, Paul S. The American nation in the 20th century. Austin: Holt, Rinehart, and Winston, 1996.

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LeBlanc, Sydney. 20th century American architecture: 200 key buildings. New York, N.Y: Whitney Library of Design, 1993.

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Boyer, Paul S. The American nation in the 20th century. Austin [Tex.]: Holt, Rinehart and Winston, 1996.

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Harry, Turtledove, and Greenberg Martin Harry, eds. The best alternate history stories of the 20th century. New York: Del Rey, 2001.

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Book chapters on the topic "20th century american history"

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Perry, Lauren E. "Teaching the History and Theory of American Comics: 20th-Century Graphic Novels as a Complex Literary Genre." In Teaching Graphic Novels in the English Classroom, 69–85. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-63459-3_5.

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Thomas, Margaret. "Words and concepts for child language learning in late 19th versus late 20th century America." In Studies in the History of the Language Sciences, 344–55. Amsterdam: John Benjamins Publishing Company, 2007. http://dx.doi.org/10.1075/sihols.112.27tho.

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Bergmann, Karl-Christian. "Milestones in the 20th Century." In History of Allergy, 27–45. Basel: S. KARGER AG, 2014. http://dx.doi.org/10.1159/000358478.

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Tzur, Eli. "Jews in 20th-Century Poland." In Holocaust History, Holocaust Memory, 7–18. London: Routledge, 2024. http://dx.doi.org/10.4324/9781003380245-3.

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Abrams, Jesse. "Late 20th-Century Forest History." In Forest Policy and Governance in the United States, 51–71. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003043669-4.

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Bowen, Brian. "20th Century to World War II." In The American Construction Industry, 145–62. New York: Routledge, 2021. http://dx.doi.org/10.1201/9781003130000-11.

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Koetsier, Teun. "Kinematics in the 20th Century." In History of Mechanism and Machine Science, 319–28. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-39872-8_19.

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Varvoglis, Harry. "Physics of the 20th Century." In History and Evolution of Concepts in Physics, 105–19. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04292-3_5.

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Welch Guerra, Max. "Interpreting 20th Century European Planning History." In European Planning History in the 20th Century, 268–71. New York: Routledge, 2022. http://dx.doi.org/10.4324/9781003271666-28.

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LaRosa, Michael J., and Germán R. Mejía. "Armed Forces and Dictatorships, 20th Century Style." In An Atlas and Survey of Latin American History, 134–35. Routledge, 2018. http://dx.doi.org/10.4324/9781351186032-57.

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Conference papers on the topic "20th century american history"

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Bosak, Martin. "SLOVAK NATIONAL ACTIVITIES IN AMERICA AT THE BEGINNING OF 20TH CENTURY." In SGEM 2014 Scientific SubConference on ANTHROPOLOGY, ARCHAEOLOGY, HISTORY AND PHILOSOPHY. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgemsocial2014/b31/s10.074.

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Shust, William, and Michael M. Palmieri. "A North American Historical Review of Three-Axle Freight Trucks." In 2020 Joint Rail Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/jrc2020-8109.

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Abstract At first glance, it seems appealing to suggest additional wheelsets under a given railcar type. From the track’s viewpoint, and in a simplistic analysis, trading a particular car’s four-axles for the use of six should allow half again more car weight. This paper will examine efforts to test this concept over the past century. Indeed, the railway marketplace has investigated the three-axle truck in both the freight and passenger car arenas multiple times over the past century. Except in heavy-duty flatcars, the record shows that each implementation has proven to be only temporary. In general, three-axle freight trucks were developed for use with steam locomotive tenders in the early 20th century. These designs were then adapted to other car types over several decades, involving thousands of individual cars. Today, three-axle trucks are nearly extinct. This paper will address the history and status of three-axle freight trucks (or bogies) as used in North American railcar operations. Various past 20th-century applications will be discussed. International efforts will be reviewed as well. The very limited and remaining current usage of three-axle trucks is also discussed.
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Moy, James S. "SOVEREIGN GEOGRAPHIES, ERRANT PARTS & EVERYTHING IN ITS PLACE." In 2024 SoRes Dubai –International Conference on Interdisciplinary Research in Social Sciences, 19-20 February. Global Research & Development Services, 2024. http://dx.doi.org/10.20319/icssh.2024.128149.

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We exist in a significant geo-political nexus in the history of global development. African nations of the Sahel and indigenous peoples around the world have begun to kinetically resist neo-colonial initiatives to reimpose past suppressions. This paper surveys developments from 15th and 16th Century Papal Bulls through, government legislation and policy developments including the American Indian removal act of 1830, Berlin Conference of 1884-85, the Morgenthau Plan, late 20th Century Neo-Colonial exploitation and continuing early 21st century attempts at re-inscription of emergent rentier oppressions and trajectories. Within this context, this piece concludes with a pointed discussion of social media and its place in subverting the governmental attempts to control the narrative of the global order in light of recent geo-political developments and the global history of suppression.
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D'Aprile, Marianela. "A City Divided: “Fragmented” Urban and Literary Space in 20th-Century Buenos Aires." In 2016 ACSA International Conference. ACSA Press, 2016. http://dx.doi.org/10.35483/acsa.intl.2016.22.

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When analyzing the state of Latin American cities, particularly large ones like Buenos Aires, São Paolo and Riode Janeiro, scholars of urbanism and sociology often lean heavily on the term “fragmentation.” Through the 1980s and 1990s, the term was quickly and widely adopted to describe the widespread state of abutment between seemingly disparate urban conditions that purportedly prevented Latin American cities from developing into cohesive wholes and instead produced cities in pieces, fragments. This term, “fragmentation,” along with the idea of a city composed of mismatching parts, was central to the conception of Buenos Aires by its citizens and immortalized by the fiction of Esteban Echeverría, Julio Cortázar and César Aira. The idea that Buenos Aires is composed of discrete parts has been used throughout its history to either proactively enable or retroactively justify planning decisions by governments on both ends of the political spectrum. The 1950s and 60s saw a series of governments whose priorities lay in controlling the many newcomers to the city via large housing projects. Aided by the perception of the city as fragmented, they were able to build monster-scale developments in the parts of the city that were seen as “apart.” Later, as neoliberal democracy replaced socialist and populist leadership, commercial centers in the center of the city were built as shrines to an idealized Parisian downtown, separate from the rest of the city. The observations by scholars of the city that Buenos Aires is composed of multiple discrete parts, whether they be physical, economic or social, is accurate. However, the issue here lies not in the accuracy of the assessment but in the word chosen to describe it. The word fragmentation implies that there was a “whole” at once point, a complete entity that could be then broken into pieces, fragments. Its current usage also implies that this is a natural process, out of the hands of both planners and inhabitants. Leaning on the work of Adrián Gorelik, Pedro Pírez and Marie-France Prévôt-Schapira, and utilizing popular fiction to supplement an understanding of the urban experience, I argue that fragmentation, more than a naturally occurring phenomenon, is a fabricated concept that has been used throughout the twentieth century and through today to make all kinds of urban planning projects possible.
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Roelofs, Michelle B. "Mass Timber: 19 Century to Today." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.0634.

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<p>New mass timber technologies are entering the US market allowing for innovative, sustainable, and affordable designs. As the market embraces mass timber it is important to reflect on the history of mass timber and to learn best practices to ensure sustainable growth of this sector. This paper will discuss the evolution of mass timber in three parts:</p><p>19th Century: Large sawn timbers were used to construct impressive warehouse structures that still remain functional and beautiful in our cities today. Logging practices of this era led to deforestation in parts of the Americas before the rise of steel and concrete as dominant building materials.</p><p>20th Century: Mass timber using adhesives emerged in the 20th century. The novel idea of adhering small dimensioned lumber together to create massive elements is the genesis of all modern mass timber technology. This practice allows for timber to be sustainably harvested for structural applications.</p><p>21st Century: Cross Laminated Timber (CLT) has quickly shifted from a bespoke building material to an affordable system being used to address the pressing need for affordable housing. 475 W. 18<span>th</span> St is a model project that was used to compare the carbon impact of building a multi-family residential building as compared to conventional reinforced concrete.</p>
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Abelès, Florin. "A Short History of Optical Coatings." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/oic.1998.tuh.1.

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The history of optical coatings is an interesting one that spans hundreds of years. The modem phase could be said to begin as long ago as the 17th Century with careful observations of colors and angular effects in thin films, but it was in the middle of the 20th Century that the subject was rapidly propelled from what had been largely peripheral to what became immediately a mainstream subject of critical importance to the development of the entire field of optics. In 1950, Florin Abelès published the text of his doctoral thesis and in it defined and demonstrated the matrix calculation techniques that we still use even in our most advanced computer programs. Until then, laborious iterative techniques had been the norm. Although the use of matrices in applying these iterative techniques had been suggested, it was Florin Abelès who developed the modem matrix method and enabled us to focus our attention in coating design on the layers of the structure rather than the interfaces. This, of course, is well understood today, because it is the method that all of us use, but at that time it was revolutionary. Since then, Florin Abelès has had a constant and major influence on the field both in terms of scientific and technical advances and in terms of the numerous students that he has educated at the University of Paris. He has been recognized in many ways and I mention particularly the award of the 1991 C. E. K. Mees Medal of the Optical Society of America. We are fortunate indeed to have someone to talk to us about the history of optical coatings who has played such an important part in creating it.
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Themelis, Nickolas J. "Current Status of Global WTE." In 20th Annual North American Waste-to-Energy Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/nawtec20-7061.

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This paper is based on data compiled in the course of developing, for InterAmerican Development Bank (IDB), a WTE Guidebook for managers and policymakers in the Latin America and Caribbean region. As part of this work, a list was compiled of nearly all plants in the world that thermally treat nearly 200 million tons of municipal solid wastes (MSW) and produce electricity and heat. An estimated 200 WTE facilities were built, during the first decade of the 21st century, mostly in Europe and Asia. The great majority of these plants use the grate combustion of as-received MSW and produce electricity. The dominance of the grate combustion technology is apparently due to simplicity of operation, high plant availability (>90%), and facility for training personnel at existing plants. Novel gasification processes have been implemented mostly in Japan but a compilation of all Japanese WTE facilities showed that 84% of Japan’s MSW is treated in grate combustion plants. Several small-scale WTE plants (<5 tons/hour) are operating in Europe and Japan and are based both on grate combustion and in implementing WTE projects. This paper is based on the sections of the WTE Guidebook that discuss the current use of WTE technology around the world. Since the beginning of history, humans have generated solid wastes and disposed them in makeshift waste dumps or set them on fire. After the industrial revolution, near the end of the 18th century, the amount of goods used and then discarded by people increased so much that it was necessary for cities to provide landfills and incinerators for disposing wastes. The management of urban, or municipal, solid wastes (MSW) became problematic since the middle of the 20th century when the consumption of goods, and the corresponding generation of MSW, increased by an order of magnitude. In response, the most advanced countries developed various means and technologies for dealing with solid wastes. These range from reducing wastes by designing products and packaging, to gasification technologies. Lists of several European plants are presented that co-combust medical wastes (average of 1.8% of the total feedstock) and wastewater plant residue (average of 2% of the feedstock).
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Fries-Briggs, Gabriel. "Device-Media-Architecture: Julia Child’s Kitchens." In 111th ACSA Annual Meeting Proceedings. ACSA Press, 2023. http://dx.doi.org/10.35483/acsa.am.111.32.

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This paper traces a lineage of device-as-architecture through the mediatization of Julia Child’s kitchens. A historical survey of the changes to her kitchen and its relationship to interior design during the latter half of the 20th century suggest a reading of interior architecture not as a means to house new technology but rather as composed by technology and devices. Counter to Ryener Banham’s projection of a future where interior technologies give shape to an architectural exterior, Child’s kitchen reflects a growing trend in the second half of the 20th century in which tool-based clutter and the interior’s autonomy from the exterior, best characterized by the storage-accumulation aesthetics of lofts and garages, dominated. Rather than necessarily limiting the role of the architect to exterior form, the elevation of gadgets, gizmos, and devices to the status of architecture opened up the possibility for a functional user-driven design agency. Analysis of the kitchen backdrops that served as sets for her various cooking shows as well as the cataloging and installation of her kitchen in the Smithsonian Museum of American History reveal an evolution of architectural interiors that shifted with her own identity and paralleled shifting domestic aesthetics away from minimalism, modernism, and post-World War II home automation. This examination of Julia Child’s kitchens frame a narrative of domestic design beginning in the 1960s when tools and technology were increasingly seen as the backbone of a new ecological or environmental society. Julia Child’s display of functional clutter took part in popularizing a new craft aesthetic where tools were prominently displayed and often collectively used. The images of her kitchen, spanning four decades, provide a context for changing cultural and architectural discourse in relation to the aesthetics of function, devices, media, and attitudes toward preservation.
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Romanovska, Alina. "20TH CENTURY HISTORY OF LATVIA IN LITERARY NARRATIVES." In 3rd Arts & Humanities Conference, Barcelona. International Institute of Social and Economic Sciences, 2018. http://dx.doi.org/10.20472/ahc.2018.003.002.

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Novosad, Kristina. "Population migration in an interdisciplinary dimension." In Sociology – Social Work and Social Welfare: Regulation of Social Problems. Видавець ФОП Марченко Т.В., 2023. http://dx.doi.org/10.23939/sosrsw2023.072.

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Backgroud: "Population migration" is a term that has many meanings. Population migration can manifest itself in such forms as nomadism, pilgrimage, wanderings, urbanization, ruralization, etc. Population migrations have a long history, but are relatively little studied. In Western Europe and North America, population migration became the object of sociological research only from the middle of the 19th century. Interest in the study of population migration has become relevant due to the needs of studying the adaptation of immigrants in host countries and studying the consequences of mass emigration of the working population from donor countries. Purpose: To carry out a systematization and comparative analysis of the main approaches to the study of migration in sociology and other socio-humanitarian disciplines. Methods: The work uses a number of general scientific and special sociological methods: logicalsemantic - for analyzing and deepening the conceptual apparatus of the concept of external migration; comparative analysis of the results of statistical and specifically sociological studies of migration. Results: A significant increase in the scale and intensity of international population migration at the end of the 20th and the beginning of the 21st century led to the interest of Ukrainian sociologists in the issue of migration. The theoretical and methodological approaches of Western researchers echo the approaches of post-Soviet scientists, in particular, in the recognition of the interdisciplinary nature of population migration studies. Thus, there are six sociological approaches to the study of migration. At the same time, V. Iontsev noted that to the sociological approach "it would be possible to add the classification of migration flows according to vertical and horizontal characteristics and the theory of "rational expectations". Conclusion: Within the scope of the comprehensive study, a broad classification of approaches to the study of migration was presented. V. Iontsev's classification included 17 scientific approaches to the study of population migration, which, in turn, united 45 scientific directions, were classified as: the concept of "attraction - repulsion" by E. Lee (E. Lee); ethnosociological approach K. Davis (K. Davis), Y. Harutyunyan; the theory of "migration chain" D. Gurac (D. Gurac), F. Caces (F. Caces), D. Massey (D. Massey), A. Simmons (A. Simmons); the cultural approach of H. Esse, J. Rex, J. Bustamante; assimilation theory of H. Werner (H. Werner), M. Gordon (M. Gordon); sociological theory of migration (sociology of migration) by T. Zaslavska, T. Yudina. Keywords: migration, social migration, population migration
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Reports on the topic "20th century american history"

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Schacht, Kayley, Deidre Gonçalves, Aaron Schmidt, and Adam Smith. A History and Analysis of the WPA Exhibit of Black Art at the Fort Huachuca Mountain View Officers’ Club, 1943–1946. Engineer Research and Development Center (U.S.), June 2023. http://dx.doi.org/10.21079/11681/47184.

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The 1943 art exhibition at the Mountain View Officers’ Club (MVOC), Fort Huachuca, Arizona should be considered one of the most significant events in the intersection of American art, military history, and segregation. Organizers of the event, entitled Exhibition of the Work of 37 Negro Artists, anticipated it would boost soldiers’ morale because Fort Huachuca was a predominately Black duty station during WWII. This report provides a brief history of Black art in the early 20th century, biographies of the artists showcased, and provides information (where known) about repositories that have originals or reproductions of the art today. The following is recommended: the General Services Administration (GSA) investigate the ownership of the pieces described in this report and if they are found to have been created under one of the New Deal art programs to add them to their inventory, further investigation be performed on the provenance and ownership of Lew Davis’s The Negro in America’s Wars mural, for the rehabilitation of the MVOC that the consulting parties agree upon the scope of the reproduction of the art, and request archival full reproductions of the pieces of art found in the collection of the Howard University Gallery of Art.
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Petrie, John N. American Neutrality in The 20th Century: The Impossible Dream. Fort Belvoir, VA: Defense Technical Information Center, January 1995. http://dx.doi.org/10.21236/ada421976.

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Karimi, Linda. Implications of American missionary presence in 19th and 20th century Iran. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.1826.

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Cheng, Dong, Mario Crucini, Hyunseung Oh, and Hakan Yilmazkuday. Early 20th Century American Exceptionalism: Production, Trade and Diffusion of the Automobile. Cambridge, MA: National Bureau of Economic Research, July 2019. http://dx.doi.org/10.3386/w26121.

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Williamson, Jeffrey. Latin American Inequality: Colonial Origins, Commodity Booms, or a Missed 20th Century Leveling? Cambridge, MA: National Bureau of Economic Research, January 2015. http://dx.doi.org/10.3386/w20915.

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Carrión-Tavárez, Ángel. The Situation of Puerto Rico in the First Half of the 20th Century. Edited by Ángel Carrión-Tavárez. Puerto Rico Institute for Economic Liberty, December 2021. http://dx.doi.org/10.53095/13582003.

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After 390 years of Spanish colonialism, Puerto Rico was ceded by Spain to the United States, as a result of the Spanish-American War and the Treaty of Paris. At the dawn of the 20th century, the situation on the Island was one of extreme poverty, high unemployment, and widespread illiteracy. Federal programs alleviated the situation on the Island but began to institutionalize a major problem: the evil of passively waiting for economic aid from abroad, instead of seeking to solve the problems by its own initiative.
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Kempgen, Sebastian. Was Postkarten erzählen können… Otto-Friedrich-Universität, 2021. http://dx.doi.org/10.20378/irb-49498.

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Sanjurjo Casciero, Annick. Paraguay and Its Plastic Arts. Inter-American Development Bank, March 1994. http://dx.doi.org/10.18235/0007910.

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Volk, Diane. The Circulation of Elites in Twentieth Century American History: The New Deal as Case Study. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.2433.

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Mullen, Lincoln, John G. Turner, Jason Heppler, and Caroline Greer. Urban American Congregations. Roy Rosenzweig Center for History and New Media, 2022. http://dx.doi.org/10.31835/relec.citiesmap.

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In the early twentieth century, the U.S. Census Bureau conducted surveys of American religious congregations every ten years and published reports on the data it collected. The Bureau categorized denominations into different denomination families, linking together churches that had shared history, theology, or practice. This interactive map displays congregations by denominations and denominational families in American cities, including places with 25,000 or more residents.
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