(MC)What was the main role of U.S. soldiers who fought in World War I?
A. transporting supplies to the front lines
B. launching a major offensive against Germany
C. replacing wounded soldiers in British and
D. French units providing medical treatment to wounded Allied troop
A. transporting supplies to the front lines
B. launching a major offensive against Germany
C. replacing wounded soldiers in British and
D. French units providing medical treatment to wounded Allied troop