1. America Enters WWI

2. M A N I Causes of World War I
ilitarism – policy of building up strong military forces to prepare for war
lliances - agreements between nations to aid and protect one another
ationalism – pride in or devotion to one’s country
mperialism – when one country takes over another country economically and politically
ssassination – murder of Austrian Archduke Franz Ferdinand
(SOCIAL DARWINISM)

3. Militarism Germany Deadliest collection of guns in the world
World’s 2nd largest navy

4. Alliances Triple Entente: Triple Alliance: Great Britain Germany
Austria-Hungary
France
Russia
Italy

5. Assassination Serbs believed Bosnia belonged to them
Gavrilo Princip killed Archduke of Austria-Hungary, Franz Ferdinand

6. Assassination

7. A-H declared war on Serbia
Russia helped Serbia
Germany helped A-H
France declared war on Germany
Germany declared war on Belgium to invade France
Great Britain declared war on Germany

8. W I Allied Powers: Central Powers: Great Britain Germany France
Austria-Hungary W I
Serbia
Ottoman
Empire
Russia
Bulgaria
Italy

9. 1914 - Stalemate Superior DEFENSIVE weaponry
Machine Gun (600 rounds/min.)
British
Machine
Gun Crew

10. Trench Warfare
Western Front

11. British Trench:
Battle of the Somme
French Trench

12. British Trench – Top Left
German Trench – Bottom
Right
Trench Foot

13. Tanks
Slow
Hard to maneuver
French Renault Tank
British Tank
at Ypres

14. Planes
Reconnaissance
Poison Gas

15. Submarines
German
Flamethrower
60 feet

16. Battles at Verdun and Somme River (10 months)
1 million dead
1 million casualties
Britain – 60,000 casualties first day
Allies gained 5 miles

17. U.S  Isolationism Long ties to Allies BUT…
33% of Americans foreign born
Many immigrants from Germany and Austria-Hungary
Irish Am. dislike British
Jewish Am. dislike Russia

18. Lusitania – May 1915 1200 killed (128 Americans) Germany’s defense
Contraband
Sussex – 1916
Sussex Pledge – no
sinking of ships w/o
warning and saving
lives
1917 – Germans broke pledge

19. Zimmerman Note – Jan. 1917
Proposed alliance between Germ. and Mex. against US
Return Texas, Arizona, New Mex.

20. April 6, 1917 US declared war on Germany National Defense Act
Expand Army
Naval Construction Act
More warships