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National Security, Isolationism, and the Coming of World War II
Unit Overview The two decades following the end of "The Great War" witnessed significant changes in American economic, social, and cultural life. The affluence and optimism of the 1920s were tempered by memories of the war and an...
Historical Context: The Post-World War I Red Scare
The end of World War I was accompanied by a panic over political radicalism. Fear of bombs, Communism, and labor unrest produced a “Red Scare.” In Hammond, Indiana, a jury took two minutes to acquit the killer of an immigrant who had...
Historical Context: The Global Effect of World War I
A recent list of the hundred most important news stories of the twentieth century ranked the onset of World War I eighth. This is a great error. Just about everything that happened in the remainder of the century was in one way or...
Statistics: Education in America, 1860-1950
Resources Invested in Education Spending on Education Spending Per Child 15-19 Percentage of GNP 1860 $60 $5.33 1.4 1900 $503 $20.53 2.9 Improvements in Education % Illiteracy 10 or older High School Graduates College Enrollment Total...
Theodore Roosevelt: A Bully Reformer
Introduction Theodore Roosevelt was the twenty-sixth president of the United States. His presidency would become the symbol of strong leadership, reform, and a square deal for Americans in the new century. When Roosevelt was...
The 1919 Black Sox Scandal
Introduction Baseball became an increasingly integral part of the American landscape in the second half of the nineteenth century and the early decades of the twentieth century. Growth of the sport occurred in conjunction with the...
The Roosevelt Corollary to the Monroe Doctrine
Unit Objective This unit is part of Gilder Lehrman’s series of Common Core State Standards–based teaching resources. These units were written to enable students to understand, summarize, and analyze original texts of historical...
Statistics: Immigration in America, Ku Klux Klan membership: 1915-1940s
The following charts are presented in the book The Ku Klux Klan in the City, 1915–1930 by Kenneth T. Jackson. The first chart represents the states with the highest recorded membership in the Klan during this time period. The...
Presidential Election Results, 1789–2020
Introduction The Electoral College consists of 538 electors, who are representatives typically chosen by the candidate’s political party, though some state laws differ. Each state’s number of electors is based on its congressional...
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