1. World War I(1914-1918)

2. The M.A.I.N. Causes of WWI

3. Militarism Militarism: fascination with military power and the glory of war Led to Arms Race When a nation built up its military, its enemies saw it as a move toward war Ex. Germany built up its navy to compete with Great Britain’s navy, causing tension between the two countries

4. Alliances Alliances: agreements between countries to help each other during wartime Alliances pulled many countries into the war

5. :World War I Alliances: The Allied Powers (The Allies) Great Britain France Russia (until 1917) Italy (after 1915) The United States (after 1917) The Central Powers Germany Austria-Hungary Bulgaria The Ottoman Empire

6. Imperialism Imperialism: building empires by expanding territory and gaining colonies Competition for colonies led to intense rivalries among the European powers Ex. Germany and Italy wanted to create empires that would compete with those of Great Britain and France

7. Nationalism Nationalism: strong feelings of pride and unity among a particular group of people Worsened rivalries between European powers Led nations to seek to create empires or break away from them

8. Led to ethnic and ideological differences between nations Trouble in the Balkans (multi-ethnic region of Southeastern Europe) Serbia wanted to take control of Bosnia Austria-Hungary took over Bosnia Archduke Franz Ferdinand (the heir to the throne of Austria-Hungary) was assassinated by a Serbian terrorist Austria-Hungary declared war on Serbia