Terms : Hide Images
| 7694799647 | Allied Powers | Great Britain, Russia, Serbia, France |  | 0 |
| 7694799648 | Central Powers | Germany, Ottoman Empire, Austria Hungray, Bulgaria |  | 1 |
| 7694799649 | Trench Warfare | WWI strategy of defending your territory from deep ditches |  | 2 |
| 7694799650 | Machine guns | shoots in rapid succession, changing how wars are fought |  | 3 |
| 7694799651 | Poison gas | new form of warfare using biological or chemical weapons |  | 4 |
| 7694799652 | Tanks | new technology allowing soldiers to advance across No Man's Land |  | 5 |
| 7694799653 | Airplanes | New technology allowing aerial support |  | 6 |
| 7694799654 | War of Attrition | warfare where one side tried to wear down the other | 7 | |
| 7694799655 | Neutrality | original U.S. position toward WWI |  | 8 |
| 7694799656 | Lusitania | British passenger ship sunk by the Germans, 128 Americans died, turned public opinion in the war |  | 9 |
| 7694799657 | Zimmerman Telegram | decoded message from German diplomat to Mexico offering U.S. territory (Texas) if Mexico fought the U.S. in WWI. |  | 10 |
| 7694799658 | Henry Cabot Lodge | Rejected President Wilson's 14 points and was the main driving force behind the U.S. not approving the Treaty of Versailles |  | 11 |
| 7694799659 | Espionage and Sedition Act | Congress made it illegal to speak out against the government's war efforts, incite disloyalty or persuade men from avoiding the draft, and outlawed disloyal or profane language directed against the constitution, military uniforms & flag | 12 | |
| 7694799660 | Wilson's 14 Points | plan for organizing post-war Europe in order to avoid future wars | 13 | |
| 7694799661 | League of Nations | international organization of nations formed in 1919 to prevent future wars | 14 | |
| 7694799662 | Reparations | war payments made by a losing country after war | 15 | |
| 7694799663 | Treaty of Versailles | treaty that ended WWI and was one of the main driving forces for WWII | 16 | |
| 7694799664 | General John Pershing | leader of the U.S. AEF forces in Europe |  | 17 |
| 7694799665 | American Expeditionary Force | the U.S. armed forces sent over to fight in Europe during WWI. Not a legitimate army | 18 | |
| 7694799666 | War to End All Wars | the idea that WWI would, with all its destruction & devastation, end warfare | 19 | |
| 7694799667 | no man's land | A strip of land between the trenches of opposing armies along the Western Front during WW1 |  | 20 |
| 7694799668 | total war | A conflict in which the participating countries devote all their resources to the war effort |  | 21 |
| 7694799669 | propaganda | Ideas spread to influence public opinion |  | 22 |
| 7694799670 | armistice | A temporary peace agreement to end fighting. |  | 23 |
| 7694799671 | Von Schlieffen Plan | A strategy drawn up by Germany to avoid fighting a war on two fronts |  | 24 |
| 7694799672 | Eastern Front | In WWI, the region along the German-Russian Border where Russians and Serbs battled Germans, Austrians, and Turks. |  | 25 |
| 7694799673 | Western Front | in WWI, the region of northern France where the forces of the Allies and the Central Powers battled each other |  | 26 |
| 7694799674 | U-Boat warfare | A policy that the Germans announced on January 1917 which stated that their submarines would sink any ship in the British waters |  | 27 |
| 7694799675 | Treaty of Versailles | Treaty that ended WW I. It blamed Germany for WW I and handed down harsh punishment. |  | 28 |
| 7694799676 | Fourteen Points | A series of proposals in which U.S. president Woodrow Wilson outlined a plan for achieving a lasting peace after World War I. |  | 29 |
| 7694799677 | League of Nations | an international organization formed in 1920 to promote cooperation and peace among nations |  | 30 |
| 7694799678 | reparations | As part of the Treaty of Versailles, Germany was ordered to pay fines to the Allies to repay the costs of the war. Opposed by the U.S., it quickly lead to a severe depression in Germany. |  | 31 |
| 7694799679 | ultimatum | A demand or threat that is final |  | 32 |
| 7694799680 | main causes of the war | militarism, alliances, nationalism, imperialism | 33 | |
| 7694799681 | Allies of World War I | Composed of France, Britain, and Russia, and later Japan and Italy, the Allies fought the Central Powers in World War I. The United States joined the Allies in 1917. |  | 34 |
| 7694799682 | Central Powers | A military alliance between Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire. |  | 35 |
| 7694799683 | Woodrow Wilson | 28th president of the United States, known for World War I leadership, Treaty of Versailles, sought 14 points post-war plan, League of Nations (but failed to win U.S. ratification), won Nobel Peace Prize |  | 36 |
| 7694799684 | Kaiser Wilhelm | militaristic and nationalistic leader of Germany during the last decade of the 1800's and most of WWI |  | 37 |
| 7694799685 | Zimmerman Telegram | A coded message sent by Germany to try to get Mexico to attack the US |  | 38 |
| 7694799686 | Lusitania | British passenger boat sunk by a German submarine that claimed 1,000 lives. One of main reasons US decided to join the war. |  | 39 |
| 7694799687 | stalemate | A deadlock in which neither side is able to defeat the other. |  | 40 |
| 7694799688 | Versailles Peace Treaty | The Treaty of Versailles (French: Traité de Versailles) was one of the peace treaties at the end of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand. | 41 | |
| 7694799689 | U-boat | German submarine - u boat is short of the German word, Unterseeboot (Under Sea Boat) | 42 | |
| 7694799690 | barbed wire | was laid out between the trenches to slow down advancing enemy forces | 43 |
