| A | B |
| nationalism | intense loyalty to one's nation or group and promotion of it's interests above all others |
| ethnic group | people who share a common language and traditions |
| militarism | a buildup of military strength within a country |
| alliance system | defense agreements among nations |
| balance of power | the distribution of power among nations so that no single nation can dominate or interfere with another |
| U-boat | German submarine in World Wars I and II |
| propaganda | ideas or information designed and spread to influence opinion |
| autocracy | government in which a person has unlimited power |
| convoy | a group that travels with something, such as a ship, to protect it |
| armistice | a temporary peace agreement to end fighting |
| Kaiser | emperor; the leader of Germany from 1871 to 1918 |
| mobilization | gathering resources and preparing for war |
| ration | to give out scarce items on a limited basis |
| socialist | person who believes industries should be publicly owned and run by the government rather than by private individuals |
| pacifist | person opposed to the use of war or violence to settle disputes |
| dissent | disagreement with or opposition to an opinion |
| national self-determination | the right of people to decide how they should be governed |
| reparation | payment by a defeated aggressor nation for damages caused by war |
| Archduke Franz Ferdinand | next in line to the throne of the Austro-Hungarian Empire; assassinated |
| Battle of Verdun | one of the longest and bloodiest battles of the war |
| Lusitania | a British passenger liner torpedoed near the coast of Ireland |
| Selective Service Act | set up a military draft |
| Bolsheviks | a group of Communists (Russia) |
| Vladimir Lenin | leader of the Bolsheviks (Russia) |
| Treaty of Brest-Litovsk | Russia lost substantial territory to the Germans |
| John J. Pershing | named supreme commander of the American Expeditionary Force (AEF), the American army in Europe |
| Great Migration | African Americans left their homes in the South to settle in Northern cities and find jobs |
| Espionage Act | provided stiff penalties for espionage, or spying |
| Sabotage Act | law which made it a crime to say, print, or write any criticism perceived as negative about the government |
| Sedition Act | law which made it a crime to say, print, or write any criticism perceived as negative about the government |
| Fourteen Points | Woodrow Wilson's peace plan |
| League of Nations | an organization whose member nations would help preserve peace and prevent future wars |
| Treaty of Versailles | treaty dealt harshly with the Germans but because they were defeated, they had no choice but to sign |
| Henry Cabot Lodge | head of the Senate Foreign Relations Committee and a longtime foe of President Wilson |
| dimension | aspect; one element or factor among many |
| equip | furnish; provide with |
| stress | call particular attention to; emphasize |
| revolution | a war to overthrow a government |
| proceed | continue on |
| consent | agree to |
| consume | to use |
| perceive | to recognize; understand |
| final | last; ultimate |
| achieve | accomplish; gain by effort |