| A | B |
| propaganda | information or ideas intended to persuade people to believe something or behave in a certain way |
| alliance | an agreement between nations to help each other |
| armistice | an agreement to stop fighting while a peace treaty is negotiated |
| ratify | to accept or approve |
| isolationism | when a nation refuses to get involved with other nations |
| reparations | money to pay for damages caused by a war |
| imperialism | when a strong nation uses its power to control a weaker nation |
| neutral | not taking sides |
| Fourteen Points | President Wilson's plan for world peace |
| Treaty of Versailles | formally ended World War I for most of the nations involved |
| League of Nations | international organization formed after World War I |
| Zimmerman Note | an attempt by Germany to get Mexico to declare war on the U.S. |