American Expansion
What 1898 conflict resulted in the U.S. acquiring Puerto Rico, Guam, and the Philippines?
Spanish-American War
What was the name of the German submarine warfare strategy targeting all ships in designated waters?
Unrestricted submarine warfare
What amendment granted women the right to vote nationally?
19th Amendment
What foreign policy belief opposed American involvement in overseas conflicts and European power struggles, helping explain resistance to joining World War I and the League of Nations?
Isolationism
What was the name of Wilson's January 1918 speech outlining his vision for a postwar world?
Fourteen Points
What 1899–1900 policy, associated with Secretary of State John Hay, sought equal trading access in China?
Open Door Policy
What 1915 event involving a British passenger liner killed 128 Americans and outraged the U.S.?
Sinking of the Lusitania
The mass movement of African Americans from the south to the north was known as
The Great Migration
What organization opposed American imperialism after the Spanish-American War?
Anti-Imperialist
What 1919 treaty officially ended the state of war between Germany and the Allied powers?
Treaty of Versailles
What Hawaiian queen was overthrown in 1893 by American businessmen and sugar planters seeking annexation by the United States?
Queen Liliʻuokalani
What 1917 intercepted telegram proposed a German-Mexican alliance in exchange for Mexican recovery of lost territory?
Zimmermann Telegram
What 1917 law criminalized interference with military recruitment and the draft?
Sedition Act (1918)
What theory, associated with Herbert Spencer, applied the idea of survival of the fittest to human societies and nations?
Social Darwinism
Wilson envisioned this organization helping to prevent wars of the future
League of Nations
What Filipino revolutionary leader fought against both Spanish and American control of the Philippines?
Emilio Aguinaldo
What German pledge temporarily limited submarine attacks after the sinking of the Lusitania?
Sussex Pledge (1916)
What government committee used posters, films, and propaganda to build public support for the war?
Committee on Public Information (CPI)
What historian argued that the American frontier had closed in 1890?
Frederick Jackson Turner
Why did the United States never become a member of the League of Nations despite Wilson's leadership in creating it?
The Senate refused to ratify the Treaty of Versailles
What 1901 amendment to the Army appropriations bill authorized U.S. intervention in Cuba and restricted Cuban independence?
Platt Amendment
What phrase did Wilson use to inspire American involvement in World War I?
Make the World Safe for Democracy
What Supreme Court case upheld the conviction of a socialist for distributing anti-draft leaflets, establishing the "clear and present danger" test?
Schenck v. United States (1919)
This man argued nations needed powerful navies and overseas naval bases to become world powers.
Alfred Thayer Mahan
Group of senators that opposed the League because they feared it would compromise American sovereignty and independence?
Irreconcilables