| A | B |
| James Flagg | Poster Illustrator |
| Jeannette Rankin | First US Congresswoman |
| Herbert Hoover | Head of Food Adminstration |
| Woodrow Wilson | US President |
| Eugene Debs | Socialist Leader |
| David Lloyd George | Prime Minister of Great Britain |
| Arthur Zimmerman | German Foreign Minister |
| Vittorio Orlando | Itialian Premier |
| George Clemenceau | French Premier |
| U-Boat | German Submarine |
| Lusitania | British passenger ship |
| William Jennings Bryan | US Secretary of State |
| Zimmerman Telegram | Message sent from Germany to Mexico |
| Pancho Villa | Lead raids of American towns |
| Archduke Franz Ferdinand | Leader of Austria-Hungary that was murdered |
| Allies (start of WWI) | Great Britain, France, Russia |
| Central Powers (start of WWI) | Germany, Austria-Hungary, Italy |
| John J. Pershing | American General that lead the "doughboys" |
| Selective Service Act | Required men to age 21-30 to register fo the draft |
| Bolsheviks | group that overthrew the Russian gov't in 1917 |
| Doughboys | name given to American troops |
| April 6, 1917 | date that the US declared war on Germany |
| November 11, 1918 | date that Germany agreed to armistice (cease-fire) |
| Committee on Public Information (Creel Committee) | group in charge of raising American awareness about the war |
| George M. Cohan | wrote patriotic songs including, "Over There" |
| Uncle Sam | Figure used to depict the American Government |
| Espionage and Sedition Acts of 1917 | forbade US citizens from criticizing the gov't war policy or hindering wartime directives |
| Schenck vs. United States | Supreme Court ruled that should an individual's free speech present "clear and present danger" to others, the gov't could impose penalties |
| War Industries Board | established to coordinate productions of supplies and munitions needed for the war |
| Victory Gardens, Meatless Mondays, Wheatless Wednesdays, Daylight Savings Time | ways that Americans could participate at home in aiding the war effort |
| $110 billion | total cost of WWI to the American public |
| Income Tax | 16th Amendment to the Constitution which helped fund WWI |
| Fourteen Points | Wilson's plan for world peace following WWI |
| One | number of Wilson's Fourteen Points that were accepted by the Big 4 |
| Big 4 | Wilson(US), George(Great Britain), Orlando(Italy), Clemenceau(France) |
| Paris | location of the meeting of the Big 4 to determine the terms of peace |
| Alsace and Lorraine | French territories returned by Germany after WWI |
| League of Nations | Wilson's 14th Point that was accepted by the Big 4 but rejected by US Congress |
| Henry Cabot Lodge | Republican leader of the Senate that strongly opposed the League of Nations |
| Treaty of Versailles | document that was NOT ratified by the United States |