1. Social Studies OGT Review WWI

2. 4 MAIN causes – Militarism – Alliances – Imperialism – Nationalism First modern war using advanced weapons – Submarines, machine guns, tanks, planes, gas Assassination of archduke began war

3. Central Powers – Germany – Austria-Hungary – Ottoman Empire – Bulgaria Allied Powers – Great Britain – France – Russia – Italy

4. US involvement – Initially neutral, sold supplies to both sides – German unrestricted submarine war policy Sunk US ships – Great migration of African Americans north to work in defense factories – Central Powers win with US help – Wilson introduced 14 points treaty League of Nations to prevent wars – Not enough power – US did not join

5. Treaty of Versailles was harsh toward Germany – War guilt clause – Germany solely responsible for war – Must pay billions in reparations (damages) – Limits size of Germany – Cannot manufacture war materials – Lost all overseas colonies – Poland becomes independent – Alsace Lorraine and Saar Valley taken away

6. After the war – Revolution in Russia – Great Depression around the world – Rise of Dictators in Europe – Eventually WWII