| A | B |
| Lusitania | This ship was sunk by German U-boats swaying American neutrality which eventually leads us into the war. |
| Treaty of Versailles | This ended the Great War and led to harsh punishments for Germany. |
| Convoy System | This was used to help protect against German U-boat attack. |
| Militarism | This is the increase of military technology and pride for a country. |
| Archduke Franz Ferdinand | This man was assinated which led to a war which escalated into WWI due to a complex system of alliances. |
| Schlieffen Plan | Germany's plan to invade France through Belgium. |
| Trench Warfare | Warfare that consists of miles of trenches were the lines of troops with No Man's Land in between. |
| The Great Migration | The movement northward of African Americans between 1915 and 1930 |
| Liberty Bonds | Sold by the government to raise money to support the war effort |
| Selective Service Act | The congressional act that required men between the ages of 21 and 30 to register for the military |
| John J. Pershing | In charge of U.S. troops sent to France in June 1917 |
| Sedition Act | One of the government acts used to silence dissenters during the war |