| A | B |
| militarism | glorification of the military |
| mobilize | to prepare military forces for war |
| total war | the channeling of a nations entire resources into a war effort |
| neutrality | policy of taking neither side in a war |
| mandates | territories that were administered by western powers |
| atrocities | horrible acts against innocent people |
| ultimatum | final set of demands |
| reparations | payments for war damages |
| propaganda | the spreading of ideas to promote a cause or damage an opposing cause |
| Triple Entente | Great Britain, France and Russia |
| Triple Alliance | Italy, Austria-Hungary, and Germany |
| Allies | the alliance of France, Britain and Russia |
| Central Powers | the alliance of Germany and Austria-Hungary |
| Francis Ferdinand | Archduke who was assassinated in Sarajevo in 1914 |
| no man's land | the area between opposing trenches |
| armistice | an agreement to end fighting |
| self-determination | all people have the right to their own country and to choose their own government |
| Treaty of Versailles | treaty that ended World War I |
| Treaty of Brest-Litovsk | treaty that pulled Russia out of World War I |
| League of Nations | an international peacekeeping organization |
| disarmament | reduction of armed forces and weapons |
| War Guilt Clause | Germany was forced to accept full responsibility for the war and pay for damages |