An overview of the war and the US role. Check out WWI World History slidecast for more details on the battles of the war.

1. The Great War World War I

2. Causes of the War Nationalism Imperialism Militarism

3. Assassination of the Archduke Franz Ferdinand GavriloPrincip

4. Alliances and the Domino Effect

5. The Course of the War Trench Warfare President Wilson’s Response

6. German U-Boats US Enters the War – Part I Sinking the Lusitania

7. Zimmerman Telegram US Enters the War – Part II Russian Revolution Below: During the Russian Revolution, Czar Nicolas II was overthrown and Lenin seized power and created a Communist dictatorship in 1917 Above: The coded (left) and decoded (right) message of the Zimmerman telegram.

8. Troops arrive June 1917 Russia leaves war March 1918 Americans win battles Americans in Battle

9. Allies Win the War Below: British troops march through liberated Lille, France, in October 1918.

10. Palace at Versailles The Failed Peace Blaming Germany Right: Hall of Mirrors in the Palace of Versailles Above: As a result of the Treaty of Versailles, among other requirements, Germany also had to pay reparations

11. Isolationism Americans Have Two Choices Interventionism

12. Picture Sources Slide 2 allahcentric.wordpress.com fresno.k12.ca.us videolife.tk Slide 3 qwickstep.com Slide 4 jbravo.bravotech.biz Slide 5 eucmh.com answersinhistory.wordpress.com Slide 6 twistedsifter.com ahoy.tk-jk.net teachpeace.com oceantreasures.org Slide 7 en.citizendium.org st-petersburg-life.com Slide 8 warchat.org hackwilson.blogspot.com virginiawestern.edu thestuffofwar.com Slide 9 toyhaven.blogspot.com Slide 10 commons.wikimedia.org spencerwarden.com cla.calpoly.edu Slide 11 cariart.tripod.com mstartzman.pbworks.com