| A | B |
|---|
| Industrialization | State of increased manufacturing and technological improvements |
| The Great War | The original name given to what was later called World War One |
| Triple Alliance | Military alliance treaty of 1882 between Austria-Hungary, Ottoman Empire, and Germany |
| Allied Powers | Another name given to the military alliance between Britain, France, and Russia |
| Triple Entente | Military alliance treaty of 1907 between France, Britain, and Russia |
| Central Powers | Another name given to the military alliance between the Austrian-Hungarian Empire, Ottoman Empire, and Germany |
| Western Front | Military line of warring troops entrenched in France |
| Eastern Front | Military line between German and Russian troops, located in Russia |
| Stalemate | State in which no progress is possible |
| Attrition | Military strategy to wear down your opponent (using up their resources, soldiers) so your side can win (because you have more soldiers, resources...) |
| Trench Warfare | Both sides dug trenches in which they sat, slept and periodically jumped out to attack the enemy's trench |
