| A | B |
| U-Boat | SUBMARINE |
| Propaganda | Information designed to influence opinion. |
| Self-Determination | PEOPLE WHO BELONG TO A NATION SHOULD HAVE THEIR OWN COUNTRY AND GOVERNMENT |
| Nationalism | AN INTENSE PRIDE AND LOYALTY FOR ONES COUNTRY |
| ALLIANCE | UNION BY MARRIAGE OR TREATY, ANY UNION FOR COMMON PURPOSE. |
| Triple Alliance | Germay, Austria-Hungary, Italy |
| Triple Entente | Britain, France, Russia |
| SUSSEX PLEDGE | A PROMISE MADE BY GERMANY TO STOP SINKING MERCHANT SHIPS. |
| EVENTS THAT LED U.S. into War | Sinking of Lusitainia, Unrestricted Submarine Warfare, Zimmerman Telegram. |
| Conscription | Forced military service |
| War Industry Board | Coordinated the production of war materials. |
| Victory Garden | citizens grew own gardens, leaving more for the troops. |
| Liberty/Victory Bonds | loaning government money to pay for the war. |
| Committee on Public Information | Group designed to “sell” the war to the country. |
| Espionage | spying to get secret government information. |
| Trench Warfare | A type of combat in which the enemies fight from a system trenches. |
| No Mans Land | The empty space in between the opposing trenches. |
| Convoys | A system in which ships would travel in groups to protect each other from submarines. |