| A | B |
| Germany | this country used a policy of unrestricted submarine warfare |
| Allied Powers | Great Britain, France, and Russia during the war |
| rationing | system designed to limit purchases of consumer goods |
| propaganda | used to influence pulic opinion |
| Zimmerman Note | German plan to help Mexico regain US territory, pushed the US into WWI |
| armistice | cease-fire that ended the fighting |
| militarism | promoting the building and using armed forces |
| Alliance System | European mutual defense pacts |
| Archduke Franz Ferdinand | his assassination sparked WWI |
| The Eastern Front | Germany's border with Russia |
| The Western Front | fighting in northern France and Belgium |
| imperialism | building large overseas empires |
| Fourteen Points | Wilson's plan for the postwar world |
| Woodrow Wilson | proposed the League of Nations |
| League of Nations | international organization proposed by Woodrow Wilson |
| Mexico | recipient of the Zimmerman Note |
| Kaiser Wilhelm | German leader before WWI |
| nationalism | devotion and loyalty to one's nation |
| Belgium | country invaded by Germany to attack France from the north |
| Triple Entente | Britain, France, Russia |
| Triple Alliance | Germany, Austria-Hungary, Italy |
| propoganda | selective use of facts to sell an idea or policy |
| internationalism | greater political and economic cooperation among nations |
| trench warfare | primary form of fighting used on the Western Front |
| Central Powers | Germany, Austria-Hungary |
| Great Britain | declared war on Germany after its Belgian invasion |
| Legue of Nations | "general association of nations" proposed by Woodrow Wilson |
| Treaty of Versailles | ended WWI |
| unrestricted submarine warfare | Germany's naval policy in 1917 |
| isolationism | a nation cutting itself off from world affairs |
| neutrality | US policy at the start of the war |
| Great Migration | movement of African American into northern war plants |
| mobilization | converting an economy to war production |
| Lusitania | passenger ship sunk by German U Boats |
| Selective Service Act | World War I draft |
| Espionage Act | law to prevent sabotage and spying during WWI |
| reparations | payment for war damages |
| Sedition Act | law passed to prevent anti war expression |
| convoy | using the navy tp protect merchant ships |
| Red Scare | fear of communist take over after WWI |
| Palmer Raids | government raids on radical organizations |
| Sacco and Venzetti | executed for hold radical beliefs |
| Normalcy | President Harding's campaign slogan |