1. The US Enters the War Group #3 Rachel Jensen, Karthik Vasan, Mo Siddiqui, Sahil Joshi

2. Lusitania Luxury cruise liner Innocent civilians were killed (European and American) Supposedly carrying weapons

3. Unrestricted Submarine Warfare Merchant ships were being sunk Countless innocent people were being killed Made the transport of supplies difficult

4. The Zimmerman Note Germany offered an alliance with Mexico in return for keeping the US out of the war Berlin, January 19, 1917 On the first of February we intend to begin submarine warfare unrestricted. In spite of this, it is our intention to endeavour to keep neutral the United States of America. If this attempt is not successful, we propose an alliance on the following basis with Mexico: That we shall make war together and together make peace. We shall give general financial support, and it is understood that Mexico is to reconquer the lost territory in New Mexico, Texas, and Arizona.

5. Allies US was already supplying the Allied Powers with guns, food, and other products Overlooked Britains blockade from early on in the war Had close ties to the European nations in the Central Powers

6. End of Isolationism Early on America had vowed to stay out of the war, but sentiments began to change Nationalism –Over There by George M. Cohan –Johnnie get your gun, get you gun, get your gun, Take it on the run, on the run, on the run, Hear them calling you and me; Every son of Liberty Hurry right away, no delay, go today, Make your daddy glad to have had such a lad Tell your sweetheart not to pine, To be proud her boy's in line.

7. The Test The US wanted to establish themselves as an equal to Britain Time to prove the US could be an international power Show Europe that America meant business