Answer:
The main role of the U.S. soldiers who fought in World War I was to launch a major offensive against germany.
Explanation:
First of all, we have to understand the context of war, the arrival of American forces and their actions,
In the first place, the war was mature by the time Americans got involved in the war. They started by economic procedures and then reinforced their actions with military intervenience. In the second place, the American army arrived when the war had 3 years old. They didn't replace Britain or French armies, they reinforced heir forces to strike harder and were a definitive impulse that they needed. Because the British and French armies didn't leave after Americans arrived, instead they commanded them. In third place, Americans not only provided weapons, strategy, forces, and resources. But the strength Europeans lacked.
