| A | B |
| Otto von Bismarck | The German chancellor. |
| Pacifism | Opposition to all war. |
| Pan-Slavism | A form of nationalism that held that all Slavic peoples shared a common nationality |
| Imperialism | Competition for colonies. |
| Militarism | The glorification of the military. |
| Triple Alliance | Germany, Italy, and Austria-Hungary. This alliance was created BEFORE WW1 began. |
| Entente | A nonbinding agreement to follow common policies |
| Central Powers | Germany, Austria-Hungary, and the Ottoman Empire. This alliance was formed AFTER the war began. |
| Allies | Britain, France, and Russia. This alliance was created before the war and will endure during the war as well. |
| Archduke Francis Furdinand | The heir to the Austria-Hungary throne |
| The Black Hand | A Serbian terrorist group, who was responsible for the assassination of the Archduke Ferdinand. This act is looked upon as the start of WW1. |
| Ultimatum | A final set of demands. Austria sent Serbia "this" after the assassination of the Archduke. |
| Mobilize | Prepare its military forces for war |
| Neutrality | A policy of suporting neither side during a war |
| The Schlieffen Plan | Designed to avoid a two-front war, this plan called for the Germans to go around the French defenses by going through neutral Belgium. |
| Nationalism | Pride in one's country. |