1. World War I - The US Enters WW I
Chapter 9 Section 1
War:
U.S. in war:

2. Causes of WW I Long term causes:
Militarism: Building up military resources (men/weapons)

3. Causes of WW I
2. Alliances: agreements to advance common goals & interests
France, Russia, & Britain
Germany, Italy, & Austria-Hungary

4. Causes of WW I
3. Imperialism: Competition to have more and better colonies
Wilhelm II & Franz Joseph

5. Causes of WW I
4. Nationalism: feeling of intense pride in one’s homeland
Serbian Nationalist being arrested after assassinating Archduke Ferdinand

6. Event that sparked the war!
The assassination of Archduke Ferdinand.
Heir to throne of Austria-Hungary
Killed by a Serbian Nationalist

7. Interesting Side note:
Nations Involved
Allied Powers:
Great Britain
France
Italy
Serbia
Russia
U.S. (eventually)
Central Powers:
Germany
Austro-Hungarian Empire
Ottoman Empire
Interesting Side note:
Italy begins as a Central Power & ends as a Allied Power

8. America Enters the War
# 1 Reason: German use of unrestricted submarine warfare against American ships
Used on merchant & passenger ships – not just military!
Passenger ship sunk by German U-Boat

9. Other Reasons U.S. Entered War
Zimmermann Note:
Telegram from Germany to Mexico
Suggests Mexico invade the U.S. & Germany would support them

10. British & Russians use propaganda to gain American support
Other Reasons U.S. Entered War
British & Russians use propaganda to gain American support
1. Propaganda: ads to sway public opinion

11. The Final Straw for the U.S.
1. Sussex Pledge (1916):
Germans promise not to sink merchant ships anymore
2. February 1917
A. Germans begin sinking American ships again