| A | B |
| Allied powers | WWW1 alliance of Britian, France, and Russia, later joined by Italy, The United states, and others. |
| Armistice | Agreement to end fighting. |
| Blockade | An organized action to prevent people or goods entering or leaving a space. |
| Bolshevik | Member of 1917 Russian revolutionary group. |
| Central powers | WW1 alliance of Germany, Austria-Hungry and the ottoman empire. |
| Collective farms | A farm in a commuist country formed from many small hobbys collected into a single unit for joint operation under governmental supervision. |
| Great Depression | Global economic downturn that began in 1929. |
| League of Nations | Group of more than 40 countries formed after WW1 with the goal of setting problems though negetiation, not war. |
| Mandate | After WW1, a territtory that was administrated by a foreigh power. |
| Militarism | The glorification of military power. |
| Neutral | Not supporting either side of a conflict. |
| New Economic policy | Plan instituted by lelin in 1921 these privatized some industries. |
| Reparations | Payment of war dameges. |
| Sovent | Council of workers and soldiers set up by Russian revolutionaries in 1917. |
| Treat of Brest-Litovsk | A treaty in Germany and withdrew Russia from war. |
| Treaty of versailles | It was set fourth the conditions for peace between the allies and Germany. |
| Trench welfare | Type of welfare in which troops dig trenches and fight from them. |
| Tributary state | Independent state that must acknowlege the supremacy of another state and pay tribute to it was. |
| Zimmerman note | Arther zimmermann, had sent a telegraph to the government of mexico, It asked of mexicans help if Germany and the U.S. went to war. |