| A | B |
| U-boat | German submarines |
| Washington Naval Conference | led to a series of treaties (including the one that froze the number of |
| Central Powers | Germany, Ottoman Empire, Austria-Hungary |
| Zimmerman Telegraph | Offered Mexico American territory if they would enter the war |
| Lusitania | British cruise liner that was sank May 1915 |
| Isolationist | person who opposed US participation in foreign affairs |
| Selective Service Act | another word for draft |
| ‘Make the world safe for Democracy” | Wilson’s purpose for the war |
| John J. Pershing | leader of US forces in Europe |
| American Expeditionary Force | American military forces in Europe |
| trench warfare | led to a stalemate on the western front |
| doughboys | nickname for US troops in Europe (Named for their white belts) |
| Fourteen Points | Wilson’s speech on how to end the war |
| “Peace without Victory” | Wilson’s speech on what type of peace Needed to be reached to end war |
| Russian Revolution | Russia signed the Treaty of Brest-Litovsk, got out of war as a result of this |
| Treaty of Versailles | ended WWI, US never ratified |
| League of Nations | American was opposed to the Treaty of Versailles because of this |
| Henry Cabot Lodge | led the opposition to American Ratification of Treaty of Versailles |
| 17th amendment | direct election of senators |
| 18th amendment | Prohibition |
| 19th amendment | Women’s suffrage |
| Committee on Public Information | controlled information regarding WWI |
| George Creel | leader of Committee on Public Info |
| Ku Klux Klan | against African Americans, Jews, and Catholics |
| A. Mitchell Palmer | hunted down communists during 1920s |
| Espionage and Sedition Acts | made it illegal to speak out against WWI |
| Sacco and Vanzetti | Italian immigrants accused, executed During the 1920s |
| Schenck v. US 1919 | must show ‘clear and present danger” In order to be silenced during war times |
| John L. Lewis | leader of the United Mine Workers |
| Allies | Great Britain, France, and later Italy |