| A | B |
| alliance | Defense deal among nations |
| nationalism | intense loyalty to a cause |
| expansionism | the desire to add colonies |
| Great Britain and France | two nations with empires |
| militarism | army & navy major build-up |
| Great Britain | World's best Navy in 1914 |
| balance of power | equal military forces' effect |
| Triple Alliance signees | Germany, Austria-Hungary & Italy |
| Triple Entente signees | G. Britain, France & Russia |
| Allied Powers or Allies | Britain, France, Russia, Italy, Japan & U.S. |
| Central Powers | Germany, A-H, Turkish Empire, & Bulgaria |
| Serbia | wanted Slavic people unified |
| Franz Ferdinand | the Archduke killed by Serbian |
| Gavrilo Princip | Archduke's assassin |
| 28 June 1914 | Archduke's assassination date |
| Ultimatum | Letter with demands to Serbia |
| 28 July 1914 | Start date of World War I |
| Belgium | Neutral country invaded by Germany |
| mobilize | preparing the forces for war |
| Marne | River battle that saved Paris |
| trenches | places from which land battles were fought |
| Verdun | bloodiest battle of WWI |
| Somme | British and French Offensive that stalled |
| stalemate | a battle with no clear winner |
| Poison gas | new type weapon delivered in canisters |
| Mustard gas | a poison gas that caused deadly burns |
| tank | armored vehicle with cannon |
| airplane | used for air bombing |
| dogfight | battle involving just planes |
| Red Baron von Richthofen | Germany's best Ace |
| Ltcol. Eddie Rickenbacker | Ace for the U.S. |
| U-Boat | stealth underwater vessel |
| torpedo | weapon fired by submarines |
| blockade | the navy's obstruction of ports |
| neutrality | taking no sides in a conflict |
| neutral | U.S.'s first position on WWI |
| Lusitania | British liner sunk with Americans onboard |
| 7 May 1915 | Date of Lusitania sinking |
| Sussex Pledge | Germna promise to warn neutral ships |
| unrestricted submarine warfare | sinking shios without warning |
| merchant ship | non-military cargo ship |
| Arthur Zimmermann | German Foreign Minister who sent telegram to Mexico |
| 1917 event overthrowing Russian Tzar | revolution |
| Charles E. Hughes | Pres. Wilson's opponent in 1916 election |
| Declaration of War | term for a country's officially approving war |
| Jeanette Rankin | female Congress member voting against U.S. entry into WWI |
| Selective Service | act which established a military draft |
| noncombatant workers | major role of women in the U.S. military |
| 18 to 45 | ages of men called to U.S. military service |
| U.S. Marine Corps | military service which did not accept blacks |
| Henry Johnson | 1st American and black to win Cross of War |
| Cross of War (Croix de Guerre) | France's highest bravery medal |
| Eastern Front | Battle line dividing Germans from Russians |
| Western Front | Battle lines dividing Germans from British, French and U.S. troops |
| convoy | escorted group of merchant ships |
| convoy system | reduced Allied shipping losses |
| Bolsheviks | Russian communists who overthrew democracy |
| Vladimir Lenin | 1st communist head of Russia |
| Brest-Litovsk Treaty | ended Russia's fighting in WWI |
| American Expeditionary Force | U.S. military forces in Europe |
| Chateau-Thierry | 1st battle btwn U.S. & Germans |
| Saint Mihiel | AEF offensive beats Germans |
| Belleau Wood | forest captured by USMC after heavy losses |
| Argonne Forest | battle afterwhich Germans began retreating |
| Armistice Day | 11 O'Clock on 11/11/1918 |
| armistice | agreement to stop fighting |
| Kaiser Wilhelm II | German leader who abdicated |
| Veteran's Day | new name for Armistice Day |
| National War Labor Board | ensured production of war supplies in the U.S. |
| War bonds or Liberty bonds | U.S. government sold these to raise money for war |
| Herbert Hoover | U.S. Food Administrator head and future president |
| $32 Billion | Cost of WWI to U.S. |
| rationing | limited use of products during wartime |
| War Industries Board | Govt agency that helped factories make war goods |
| Committee on Public Information | built U.S. citizens' support for war thru propaganda |
| Great Migration | northward movement of southern blacks to find jobs |
| race riot | fight between whites and blacks in cities |
| socialists | people against the war because it helped big business |
| pacifists | people against all fighting, esp. wars |
| Espionage Act | law outlawing spying or helping the enemy |
| Sedition Act | made it a crime to say, print, or write anything negative about our Govt. |
| 9 million | number of soldiers killed in WWI |
| Paris | French city where peace conference held ending WWI |
| Versailles | Palace where peace conference held ending WWI |
| Fourteen Points | Pres. Wilson's Plan for lasting peace |
| Wilson's last "Point" | establish a League of Nations |
| the Big Four nations | U.S., Great Britain, France & Italy |
| the Big Four leaders | Wilson, D.L. George, Clemenceau, and V. Orlando |
| 28 June 1919 | date Treaty of Versailles signed |
| reparations | war fines or repayments for damages caused |
| disarm | give up all weapons |
| League of Nations | world body which the U.S. did NOT join |
| rejected it | What U.S. Congress did to Versailles Treaty |
| Henry Cabot Lodge | Senator who opposed Versailles Treaty |
| stroke | Whay Pres. Wilson suffred due to fatigue |