What was the world war? - A war that involved nearly all the nations of the world and it affected the world as a whole When was the first world war? - It was in the year 1914-1918 Who? Central Powers: Allies: - Russia France Great Britain Italy Japan United States (1917) Germany Bulgaria Ottoman Empire/Turkey Austria-Hungary Long term causes of the first world war Militarism - Germany had a naval race with Britain Alliances Imperialism - British forces made Germany jealous Nationalism Alliance system The two groups formed by the alliance system were Triple alliance formed in 1882 Triple entente formed in 1907 Triple Alliance Triple Entente Germany France Austria-Hungary Italy Britain Russia There were two groups of the most powerful countries and these groups of countries separated and some of the countries made the opposing countries jealous