| A | B |
| Fourteen Points | Wilson's plan for world peace. |
| League of Nations | International organization to address diplomatic crises. |
| Georges Clemenceau | The French premier who was determined to prevent future German invasions. |
| David Llyod George | British prime minister who wanted to make Germany pay for the war. |
| Treaty of Versailles | The treaty ending World War I, which established nine new nations and shifted the boundaries of other nations. |
| reparations | War damages. |
| war-guilt clause | Part of the Treaty of Versailles which forced Germany to admit sole responsibility for starting World War I. |
| Henry Cabot Lodge | Leader of a group of senators who opposed the League of Nations. |