Period 7: 1890-1945 (K-A)

Imperialism: debates (K-A)

Spanish-American War (K-A)

The Progressives (K-A)

World War I: military and diplomacy (K-A)

Old and new frontiers: setting the stage (K-A)

World War I: homefront (K-A)

1920s: innovations in communication and technology (K-A)

1920s: cultural and political controversies (K-A)

The Great Depression (K-A)

The New Deal (K-A)

Interwar foreign policy (K-A)

World War II: mobilization (K-A)

World War II: military (K-A)

Postwar diplomacy (K-A)

Comparison in the period from 1890 to 1945 (K-A)