| A | B |
| Franz Ferdinand | His assassination sparked WWI |
| Sarejevo | City in which the spark that started WWI occurred |
| Militarism, Imeperialism, Nationalism, and Entangling Alliances | Four causes of World War One |
| Germany, Austria-Hungary, Bulgaria, Ottoman Empire | The Central Powers |
| France, Great Britain, Russia, and later the US | Some major members of the Allies |
| 1914 | Year the World War One began |
| 1917 | Year the Russia exited and the US entered WWi |
| Zimmerman note, Unrestricted Sub Warfare, Sinking ot the Lusitania, andn Propaganda | Reasons why the US entered WWI |
| American Expeditionary Force | Official name for US soldiers fighting in WWI |
| John J. Pershing | Leader of the AEF in WWI |
| The type of warfare in WWI that caused stalemated battles | Trench Warfare |
| The most feared weapon used in WWI | Mustard Gas |
| President Wilson's plan for peace | 14 Points |
| Wilson's plan for an orginazation of nations for peace and cooperation following WWI | League of Nations |
| The Treaty signed at the end of WWI | The Treaty of Versailles |
| The country forced to accept blame for WWI | Germany |
| What WWI led to | World War Two |
| The eleventh month, the eleventh day, at eleven o'clock | Month, day, and time in 1918 when the armstice was signed |
| The assassin of Franz Ferdinand | Gavrillo Princip |
| The Selective Service Act | Legislation that authorized a draft of young men for WWI military service |
| The War to End All Wars | One name given WWI |
| President of US during WWI | Woodrow Wilson |
| Emperor of Austria-Hungary during WWI | Franz Joseph |
| Leader of Germany during WWI | Kaiser Wilhelm II |
| Last Czar of Russia | Nicholas |