| A | B | 
|---|
| Militarism | a policy of glorifying military power and keeping a standing army always prepared for war. | 
| Triple Alliance | a military alliance between Germany, Austria-Hungary, and Italy in the years preceding World War I. | 
| Triple Entente | a military alliance between Great Britain, France, and Russia in the years preceding World War I. | 
| Kaiser Wilhelm II | Emperor of Germany | 
| Schlieffen Plan | Germany's military plan at the outbreak of WWI, according to which German troops would rapidly defeat France and then move east to attack Russia. | 
| Central Powers | in WWI, the nations of Germany and Austria-Hungary, along with the other nations that fought on their side. | 
| Allies | in WWI, the nations of Great Britain, France, and Russia, along with the other nations that fought on their side; also, the group of nations-including Great Britain, the Soviet Union, and the U.S.-that opposed the Axis Powers in WWII. | 
| Western Front | in WWI, the region of northern France where the forces of the Allies and the Central Powers battled each other. | 
| Trench Warfare | a form of warfare in which opposing armies fight each other from trenches dug in the battlefield. | 
| Eastern Front | in WWI, the region along the German-Russian border where Russians and Serbs battled Germans, Austrians, and Turks. | 
| Unrestricted Submarine Warfare | the use of submarines to sink without warning any ship (including neutral ships and unarmed passenger liners) found in an enemy's waters. | 
| Total War | a conflict in which the participating countries devote all their resources to the war effort. | 
| Rationing | the limiting of the amounts of goods people can buy-often imposed by governments during wartime, when goods are in short supply. | 
| Propaganda | information or material spread to advance a cause or to damage an opponent's cause. | 
| Armistice | an agreement to stop fighting. | 
| Fourteen Points | a series of proposals in which U.S. president Woodrow Wilson outlined a plan for achieving a lasting peace after WWI. | 
| Self Determination | the freedom of a people to decide under what form of government they wish to live. | 
| Treaty of Versailles | the peace treaty signed by Germany and the Allied powers after WWI. | 
| League of Nations | an international association formed after WWI with the goal of keeping peace among nations. | 
| Woodrow Wilson | President of the U.S. during WWI | 
| George Clemenceau | France's premier and delegate at Versailles. | 
| David Lloyd George | Britain's Prime Minister during the war and the meeting at Versailles. | 
| reparation | money paid by a defeated nation to compensate for damage or injury during a war. | 
| chancellor | the chief minister of state in many European countries. | 
| impulsive | inclined to act on a sudden feeling rather than thought. | 
| intelligence | secret information, especially such information about an enemy. | 
| atrocity | an act of extreme cruelty or violence. | 
| abdicate | to formally give up a high office or responsibility. |