Provides a wealth of information about the origins of the World War I, and the maneuvers and alliances that took place in the years preceding it.

Eight lesson plans for exploring aspects of World War I, also known as the Great War, with instructions for introducing middle-school learners to the causes of the conflict; to the great symbol of the war's stalemate--the trenches; to...

AP U.S. History learning module on 20th Century eras and events including the 1920s, Great Depression, and World War II. Comprehensive multi-media lesson materials.

This extensive learning module examines the United States' response to the global uncertainty and instability that followed World War II and the ways that marginalized groups challenged discrimination, and the counter-responses to their...

Depressions are sustained troughs in the business cycle characterized by declines in output, employment, income, and trade. While they date from the earliest years of American history, little is known about them from the Colonial Era....