| Triple Entente |
the informal understanding between the Russian Empire, the French Third Republic, and the United Kingdom of Great Britain and Ireland. |
| Triple Alliance |
a defensive military alliance between Germany, Austria-Hungary, and Italy. |
| Propaganda |
the spreading of ideas, information, or rumor for the purpose of helping or injuring an institution, a cause, or a person |
| Unrestricted submarine warfare |
a type of naval warfare in which submarines sink merchant ships such as freighters and tankers without warning. |
| conscription |
compulsory enrollment of persons especially for military service : DRAFT |
| mobilization |
to marshal (something, such as resources or army) for action |
| trench warfare |
warfare in which the opposing forces attack and counterattack from a relatively permanent system of trenches protected by barbed-wire entanglements |
| war of attrition |
a military strategy consisting of belligerent attempts to win a war by wearing down the enemy to the point of collapse through continuous losses in personnel, material and morale. |
| total war |
a type of warfare that includes any and all (including civilian-associated) resources and infrastructure as legitimate military targets, mobilises all of the resources of society to fight the war, and gives priority to warfare over non-combatant needs. |
| armistice |
temporary stopping of open acts of warfare by agreement between the opponents : TRUCE |
| abdicate |
to renounce a throne, high office, dignity, or function |
| League of Nations |
the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. |
| reparations |
compensation in money or materials payable by a defeated nation for damages to or expenditures sustained by another nation as a result of hostilities with the defeated nation |
| bolsheviks |
a member of the extremist wing of the Russian Social Democratic party that seized power in Russia by the Revolution of November 1917 |
| October Revolution of 1917 |
a revolution in Russia led by the Bolshevik Party of Vladimir Leninthat was a key moment in the larger Russian Revolution of 1917–1923. |