1. World War I Begins

2. Long Term Causes of the War Nationalism Imperialism Militarism Alliance System

3. Triple Entente (Allies) Britain France Russia The United States

4. Triple Alliance (Central) Germany Austrian-Hungarian Empire Ottoman Empire

5. Map of Europe 1914

6. The Balkans Part of Austria Hungary Comprised of many different ethnic groups Many wanted nation of their own

7. Franz Ferdinand Heir to the Austrian- Hungarian Throne Assassinated by Serbian nationalist group http://www.youtube.co m/watch?v=SuLviBGy7Y c http://www.youtube.co m/watch?v=SuLviBGy7Y c

8. Alliance System Produces War A-H declared war on Serbia Russia declared war on A-H Germany declared war on Russia Germany declared war on France Great Britain declared war on Germany and A-H

9. Alliance System in Action

10. The Schlieffen Plan

11. No Man’s Land Barren expanses of mud Area of land separating opposing trenches

12. Trench Warfare http://www.youtube.co m/watch?v=oeJkpsOqQ gc http://www.youtube.co m/watch?v=oeJkpsOqQ gc

13. Divided Loyalties Many Americans were against the war Socialists and Pacifists Seen as a European affair German-American sympathized with Central Powers Many Americans sympathized with Britain (special relationship)

14. Neutrality Breaks Down Economic connection to Allied Powers – British Blockade – Trade with Britain and France – Wanted to ensure debts were paid – Businesses also saw opportunity in war German Aggression – Deadly German U-Boat Attacks – Lusitania, Sussex, and Arabic all sunk – The Zimmerman Telegram

15. The British Blockade United States could not trade freely with Germany Germany had a hard time getting food Resorted to submarine warfare

16. The Lusitania May 7, 1915 British Liner Sunk 128 Americans were killed

17. The Arabic + Sussex August, 1915 British Liner Sunk 2 Americans killed March, 1916 French Liner Sunk 80 dead including Americans Results in Sussex Pledge to stop submarine warfare

18. The Zimmerman Note Telegram from Germany to Mexico Proposed an alliance to Mexico Germany would support Mexico’s attempt to gain lost lands

19. Woodrow Wilson’s War Message April 2, 1917 “The world must be made safe for democracy”