Answer:America's entry into World War II brought with it a boom in the defense industry. The nation needed to produce the planes, tanks, trucks, guns, and ammunition it needed to fight the Axis powers. The nation also put its financial and intellectual resources into creating atomic weapons.
Step-by-step explanation:
America's entry into World War II brought with it a boom in the defense industry. The nation needed to produce the planes, tanks, trucks, guns, and ammunition it needed to fight the Axis powers. The nation also put its financial and intellectual resources into creating atomic weapons.