Alliances

Imperialism

Nationalism

U-Boats

Lusitania

Zimmerman Telegram

Harlem Hellfighters

League of Nations

Treaty of Versailles

Central Powers

Jeanette Rankin

Triple Entente

Russian Revolution

Espionage and Sedition Acts

Archduke Franz Ferdinand

Kaiser Wilhelm II

Selective Service Acts

General John J. Pershing

American Expeditionary Force

Armistice

Big Four

Fourteen Points

Self-Determination

Henry Cabot Lodge