| A | B |
| no-man's-land | the areas between the trenches of the armies of WWI |
| militarism | the glorification of military power |
| Field Marshal Alfred Schlieffen | chief of the German General Staff who developed an offensive plan for Germany to knockout France |
| Alfred Thayer Mahan | an American who argued that the key to world power was sea power |
| Triple Alliance | alliance formed between Germany, Italy and Austria |
| Triple Entente | alliance formed between Britain France and Russia |
| Ottomon Empire | became allies with Germany |
| Bosnia and Herzegovinia | the provinces that Serbia wanted so they could have an outlet to the sea |
| Serbia | Slavic country allied with Russia |
| Archduke Francis Ferdinand | Austrian heir to the throne who was killed by a Serbian national |
| Mobilization | the preparation of armed forces for war |
| August 1, 1914 | the date Germany declared war on Russia |
| Belgium | Germany invaded this neutral country causing Britain to declare war on Germany |
| Allied Powers | Russia France and Britain |
| Central Powers | Germany Austria and the Ottomon Empire |
| propaganda | ideas facts or rumors spread deliberately to further a cause |
| atrocities | acts of great cruelty and brutality |
| genocide | the annilation of an entire race |
| trenches | elaborate earthworks dug for protection |
| barbed wire | used to slow troop[s down exposing them to machine gun fire |
| weapons first used in WWI | flame throwers, tanks and poison gas |
| Battle of the Marne | French troops stopped the Germans before they could reach Paris |
| war of attrition | each side trying to wear down and outlast the other |
| Verdun | German offensive with nearly a 3/4 of a million men killed wounded or captured by both sides and no ground gained |
| Somme | British and French offensive with over 1 million men lost and no change in territory |
| Eastern Front | Russia was not able to invade Germany and lost 2 million men |
| Middle East | Britain moved to many victories |
| naval blockade | sea power designed to bring financial ruin and starvation to a country |
| U-boats | German submarines |
| Lusitania | British passenger liner sunk by a German submarine |
| Zimmerman note | German note calling for Mexico to enter the war a a German ally |
| America's entry into the war | assures Allied victory |
| Nov 1, 1918 | Germany agreed to allied terms for an armistice |