1. World War I Begins Chapter 19 Sec 1
“An eye for an eye makes the whole world blind.” Mahatma Gandhi

2. America & the Great War Causes: 1. Imperialism 2. Militarism
3. Nationalism
4. System of Alliances
- Triple Entente (Allies)
- Triple Alliance (Central Powers)

3. Imperialism

4. Militarism 1910-1914 Increase in Defense Expenditures France 10%
Britain
13%
Russia
39%
Germany
73%

5. The Spark Assassination of Archduke Franz Ferdinand & wife
June 28, 1914 in Sarajevo, Bosnia
By Gavrilo Princip, a Serbian
July 28: Austria-Hungary declared war on Serbia

6. Europe in 1914

7. World War Erupts Aug 1: Germany declared war on Russia
Aug 3: Germany declared war on France
Invades Belgium
Great Britain enters the war
Schlieffen Plan: Germany’s strategy

8. Two Sides Central Powers Germany Austria-Hungary Bulgaria Turkey
Allied Powers
Great Britain
France
Russia
Serbia

9. US Reaction to War Pro-peace: Socialists, Quakers, women
Pro-Central: German & Irish immigrants
Pro-Allied: majority of US (cultural & economic ties)
Wilson: be neutral

10. Causes of US Entry Ties with Allies German U-boat attacks
British blockade causes Germany to develop U-boats
1915: sinking of Lusitania, 128 Americans die
US public opinion turns against Germany
Germany announces unrestricted submarine warfare

11. Causes cont.
Zimmermann Note: proposed alliance between Mexico & Germany (Feb 1917)
Russian Revolution replaces monarchy with republican government; now US can be their ally (March 1917)

12. Zimmermann Telegram

13. US Enters War Congress declares war on Germany April 6, 1917
US military involvement lasted about 6 months
Turned tide of war