2. WWI starts in 1914 US is neutral Does ship supplies to both sides of war Most Americans pulling for Allies Americans stay out of war because it is not their fight

3. Germany has secret weapon during WWI – the submarine Use Unrestricted Submarine Warfare Torpedo any enemy boat Many times hit American boats

4. British cruise ship that was carrying Americans Hit by a German submarine and sank in 1915 128 Americans killed Americans upset but not enough to declare war

5. Pres. Wilson demands for Germany to stop using unrestricted submarine warfare and they do 1916 – US election year President Wilson wins under slogan “He kept us out of war” Will not last though

6. 1917 – Germany will start using Unrestricted Submarine Warfare again Americans upset again

7. Zimmerman Telegram Sent from Germany to Mexico Asking Mexico to be part of the Central Powers and attack the US Last straw for the US 1917 – US will declare war on Germany

8. US soldiers help win the war – extra man power, money, and supplies US influential in writing Peace Treaty for WWI US will emerge as #1 World Power after WWI