| A | B |
| Nationalism | pride in one's country |
| Freedom of the Seas | neutral countries have a right to ship non-war goods to nations at war |
| Fourteen Points | President Wilson's speech outlining America's war aims |
| Versailles Treaty | ended WWI with Germany accepting blame |
| League of Nations | peace organization which major powers failed to join |
| Isolationism | refusing to become involved with world affairs |
| Schenck vs. U.S. 1919 | ruled that free speech can be limited if there is a clear and present danger |
| Triple Alliance | included Germany, Austria-Hungary, and Italy |
| Triple Entente | included Russia, France, and Great Britain |
| event whivh violated "freedom of the seas" | 1915-sinking of the "Lusitania" |
| Imperialism | taking of colonies to gain natural resources |
| Spark which ignited WWI | assassination of Archduke Ferdinand of Austria-Hungary |
| U.S. declared war after this event | 1917-German submarines attacked three unarmed American vessals |
| Zimmerman Telegram | Germany asked Mexico to aid them in a war against U.S. |