| A | B |
|---|
| Great Britian, France, Serbia, Russia | Allied Powers (Allies) |
| Germany, Austia-Hungary, Bulgaria, Ottoman Empire | Central Powers |
| Senate | the part of the Congress that rejected the Treaty of Versailles |
| airplanes, machine guns, tanks, posion gas | weapons of war |
| trench | deep holes where the soldiers ate, slept, and hid |
| no man's land | the area between the battle lines that no one had captured |
| economic ties to Britian | reason why America joined the war |
| isolationism | staying separate from other countries |
| propaganda | posters to persuade Americans to join the military or help in the war effort |
| nationalism | a reason WWI started |
| treaty | agreement to stop fighting |
| Lusitana | British passenger ship sunk by German U-Boats |
| League of Nations | peacekeeping group of countries that the U.S. did not join |
| staying out of conflicts | neutral (neutrality) |
| draft | when the government chooses people to go to war |
| alliance | an agreement to unite and fight with another country |
