| Term | Definition |
| militarism | aggressive build up of armed focus to intimidate and threaten other nations |
| nationalism | feeling of intense pride to one's homeland |
| balkans |  southeastern Europe |
| franz ferdinand | archduke assassinated in Bosnian |
| sussex pledge | Germany promising to not sink any more merchant ships without warning |
| zimmermann telegram | telegram intercepted by British, sent by Germany to Mexico promising Mexico land if they allied with Germany |
| espionage | spying to acquire government information |
| war industries board | coordinated the production of war materials |
| national war labor board | prevented strikes from disrupting the war effort, made the eight hour work week, improved wages |
| committee on public information | created to "sell" the war to the American people |
| selective service | local boards choosing men for the military draft |
| convoys | merchant ships and troop transports to be gathered into groups |
| armistice | an agreement to stop fighting |
| national self-determination | borders of countries should be based on ethnicity and national identity |
| reparations | money paid to the winning country |
| treaty of Versailles | treaty with Germany after WWI |
| fourteen points | a peace plan made by POTUS Wilson to explain the goals of the US in the war |