Terms : Hide Images
| 336981921 | Triple Alliance | Among Germany, Austria-Hungary, and Italy in the 1880s. | 0 | |
| 336981922 | Schlieffen Plan | Called for a swift attack on France through Belgium, an officially neutral country that had a growing relationship with Britain. | 1 | |
| 336981923 | Archduke Franz Ferdinand | Of Austria-Hungary visited Sarajevo, the capital of Bosnia, in 1914. | 2 | |
| 336981924 | Gavrilo Princip | A Serbian nationalist, shot and killed the Archduke and his wife. | 3 | |
| 336981925 | Central Powers | Ottoman Empire took its place with Germany and Austria-Hungary an alliance. | 4 | |
| 336981926 | Isolationism | The United States declared neutrality at first, preferring to focus on its own internal affairs. | 5 | |
| 336981927 | Zimmermann Telegram | A secret message sent between German diplomats suggesting that Mexico might want to join forces with Germany and thereby regain the territory it had lost to the United States in the Mexican-American war of 1846. | 6 | |
| 336981928 | Fourteen Points | Was more focused on establishing future peace and a workable balance of power. | 7 | |
| 336981929 | Alexander Kerensky | A provisional government was established. | 8 | |
| 336981930 | Czar Nicholas | Was forced to abdicate his throne. | 9 | |
| 336981931 | Soviets | Which represented the interests of worker, peasants, and soldiers. | 10 | |
| 336981932 | Vladimir Lenin | The Marxist leader of the party, mobilized the support of the works and soldiers. | 11 | |
| 336981933 | April Theses | Demanded peace, land for peasants, and power to the soviets. | 12 | |
| 336981934 | Soviet Union | In the the Ukraine, Siberia, and others parts of the former Russian Empire, counterrevolutionary revolts broke out. | 13 | |
| 336981935 | Red Army | A military force under the command of Leon Trotsky. | 14 |
