The correct answer is C) by forming the USO to entertain troops.
The entertainment industry contributed to the United States war effort during World War II by forming the USO to entertain troops.
USO stands for United Services Organizations. This organization provided all kind of entertainment for the United States troops that were in battle. The intention was to offer entertainment and distraction to the U.S. in those difficult times. They sent actors, comedians, musicians for the troops and their families distraction.
