| A | B |
|---|
| Archduke Franz Ferdinand | This person and his wife were shot outside a sandwich shop by Gavrilo Princip |
| Kaiser Wilhelm II | German Emperor |
| Militarism | The expansion of arms and the policy of military prepardness |
| Triple Alliance | A military alliance between Germany, Austria-Hungary and Italy |
| Triple Entente | A military alliance between Great Britain, France, and Russia |
| Balance of Power | A system in which each nation or alliance has equal strength; people believed this could help avoid war |
| Central Powers | Alliance between Germany, Austria-Hungary and the Ottoman Empire |
| Allied Powers | Alliance between Britain, France, and Russia |
| Trench Warfare | A form of combat in which soldiers dugtrenches, or deep ditches, to seek protection from enemy fire and to defend their positions |
| Lusitania | British ship sunk by a German U-Boat in 1915 |
| Isolationism | A policy in which a nation avoids entanglement in foreign wars |
| U-boats | Small submarines named after the German word unterserboot, which means "undersea boat" |
| Sussex pledge | A pledge Germany issued which included a promise not to sink merchant vessels "without warning and without saving human lives" |
| Zimmermann Note | A telegram sent to a German official in Mexico before World War I; proposed an alliance between Germany and Mexico |
| Selective Service Act | Act which required men between the ages of 21 and 30 to register to be drafted into the armed forces |
| Convoy system | A military technique of transport in which ships were surrounded by destroyers or cruisers for protection |
| Communists | People who seek the equal distribution of wealth and the end of all private property |
| Liberty Bonds | Bonds that American citizens bought that helped to pay for the costs of World War I |
| Bernard Baruch | Wall street business leader and head of the WIB |
| National War Labor Board | Created by President Wilson, this board medicated disputes between workers and managment and set policies that improved working conditions |
| Committee on Public Information | Created by President Wilson and headed by journalist George Creel, this committee's objective was to maximize national loyalty and support for World War I |
| Propaganda | Information designed to influence public opinion |
| Schenck v. United States | An important court case that explained the limits of the First Amendment |
| Fourteen Points | President Woodrow Wilson's plan for organizing post-World War I Europe for avoiding future wars |
| Self-determination | The right of people to decide their own political status |
| League of Nations | International body of nations formed in 1919 to prevent wars |
| Big Four | Name given to the leaders of the Allied Powers who dominated the Paris Peace Conference in 1919 following the Allied victory in World War I |
| Reparations | Payments designed to make up for the damage of something |
| Treaty of Versailles | Treaty ending World War I that required Germany to pay huge war reparations and established the League of Nations |
| Henry Cabot Lodge | Head of Committee on Foreign Relations |
