<span>Greenfield's </span>favorite book was "Catch 22"
Answer:
The US recruited troops to fight in World War II. This led them to enter into the war. At this point in time the US began mass recruitment of troops to fight the war which led to the military growth and expansion of the United States.
Explanation:
i would say A.)Immigrants helped fill jobs during a period when the nation experienced a shortage of workers.
hope this helps:)sorry if it doesnt