This Khan Academy resource provides a table of contents with notes for several sections of AP US History Period 5: 1890-1945.

With the waning of the Progressive Era, the political landscape of Republican presidents like Warren G. Harding and Calvin Coolidge emphasized business interests.

[Free Registration/Login Required] Learning module for Advanced Placement U.S. History course material for 1890-1945. Comprehensive study guide with multi-media sources including, videos, essays, historical documents and timeline.

Read and study the sources about political machines, corruption, and Progressive reforms. Then use the four sources and your knowledge of U.S. history to answer the questions.

The government that supported laissez-faire policies and Social Darwinism was finally considered corrupt and immoral. Read about the ideas of the Progressive Era and see how these ideas were put into activist government policy.

Read a brief overview of the three presidents, two Republican and one Democrat, who believed in an activist government to help all the people, and pushed for legislation to reflect their views.

Progressivism got a push from the Populist movement, a reaction to the forgettable presidents and laissez-faire government in the Gilded Age. Find a listing of authors who wrote about progressive ideas, and see what influence populism...

Read a brief biography of W.E.B. DuBois, who was an early civil rights activist and supporter of equal opportunity and treatment for African-Americans. See how he acted on his beliefs. Included is a brief quiz about the Progressive Era.

Read about the growth of the Socialist Party in America under the leadership of Eugene V. Debs. Find out about the strikes he led, his political activities, and his arrest for sedition in 1918. Read also about the radical union,...