| A | B |
| Militarism | policy of building up strong armed forces fo prepare for war |
| Nationalism | strong feelings of pride in one's country |
| Franz Ferdinand | heir to the throne of Austria-Hungary |
| stalemate | a deadlock in which neither side is winning |
| kaiser | German emperor |
| Central Powers | Germany, Austria-Hungary, Ottoman Empire |
| Propaganda | spreading of ideas to help or hurt a cause |
| Allied Powers | France, Great Britain, Russia |
| Lusitania | British passenger ship, sunk off the coast of Ireland |
| mobilize | to prepare troops for war |