1. American Involvement in World War I and World War II
... Ferdinand of Austria-Hungary. For many years Serbia and Austria-Hungary had been unfriendly because Serbian patriots wanted to unite all Serbs into a single state. Germany backed Austria-Hungary's decision to use the assassination as an excuse to settle its disagreements with Serbia. Many became involved in the World War. Europe had ... the U.S. and the use of poison gas in warfare also helped to change the American public opinion. Americans became to believe that democratic government would be unsafe if Germany won the war. President Wilson tried hard to keep the United States out of wa...
- Word Count: 1231
- Approx Pages: 5
- Grade Level: High School