armistice

a cease fire or truce

imperialism

building an empire by founding new colonies and conquering other nations

treaty

a formal agreement to stop fighting

militarism

building up military strength in a country

nationalism

being loyal and devoted to a country

alliance

an agreement to protect and defend each other

Allied Powers

Britain, France, Russia, USA

Central Powers

Germany, Austria-Hungary, Bulgaria, Ottoman Empire

neutral

do not take sides

isolationalism

not getting involved in another country's affairs

stalemate

a deadlock, neither side wins

Treaty of Versailles

treaty that ended WWI and blamed Germany for the war

ratify

approve

ration

a limited amount of goods

League of Nations

an organization created after WWI