What events that shifted American involvement in World War 2?

Did many women want to help in World War 1? One of the most important additions of the French military to the American cause was? How many years did Francisco Franco serve? What date was the assassination on Franz Ferdinand? What colors did each side wear in the civil war? What famous leader gave the speech about the iron curtain? What did going over the top ' mean in world war 1? Why did many people feel that giving in to Germany at Munich was a good idea? What was Germany's literacy rate before World War 1? Where could you find information on the 756th Railway Shop Battalion that served in World War 2? Where was the dramatic increase in the number of cattle during the Civil War? How did the soldiers of world war 1 package their food? What happend in ww1 and World War 2? What soldier called who runs away? Is Malayan paper money from 1940s worth anything? Who gave the Russians the nuclear secrets? What is a nurses hat called? What is the armed conflict between countries? Why did the hbc sell ruperts land? Did all prisoner of wars get tattoos as a ID?