| A | B |
|---|
| Term | Definition |
| Triple Entente | One of the two main alliances in World War I (Russia, France, and Britain), also called "The Allies" |
| Central Powers | Second of the two main alliances in World War I (Germany, Austro-Hungarian Empire, Ottoman Empire) |
| Assassination of Archduke Ferdinand | Heir to the throne of the Austro-Hungarian Empire, assassinated by a Serbian |
| Heir to the Throne | The person who becomes king or queen once the current king or queen is unable to rule |
| Zimmerman Telegram | A secret telegram from Germany to Mexico. It brought the US out of Neutrality. |
| Committee on Public Information | Created by President Wilson to increase American support for the war through Propaganda |
| Lusitania | A passenger ship sunk in British waters by a German U-Boat. The sinking angered Americans. |
| The Big Four | The leaders of Italy, the US, France, and Britain |
| Treaty of Versailles | The peace agreement between the Central Powers and the Allies that ended World War I |
| President Woodrow Wilson | 28th President of the United States. He established Moral Diplomacy, and led the U.S. during World War I. |
| Allies | This was another name for the Triple Entente. The United States joined this alliance in 1917. |
| Civilian | A person who is not a member of the armed forces during a war |
| Luddendorff's Spring Offensive | Germany's big push into French territory toward Paris to try to win the war (1918) |
