True or False
1. Trench warfare was rarely used during World War I. _______________
2. American Expeditionary Force was a group that included men from one regional part of the country._________
3. The Treaty of Versailles established nine new nations, including Poland, Czechoslovakia, and Yugoslavia—and shifted the boundaries of other nations. ____________
4. Zimmermann note was a telegram from the German foreign minister to the German ambassador in Mexico that was intercepted by British agents. ___________________