C i believe i might be wrong
United States was an agrarian-based nation. Prior to World War II, people were involved in agriculture than other existing industries. Technological improvements in farming introduced during the war years reduced farming dependencies on manual labor freeing people to move to the cities to find white collar jobs after the war.
Answer:
They returned to St. Louis in September 23,1806
In his "Great Arsenal of Democracy" speech, delivered on 29 December 1940, in the middle of the World War II, Roosevelt portrays the nations of Nazi Germany and its allies as aggressors and with a very different philosophy of government than American's, which consisted of violently dominating the world. He affirmed that If the Axis won the war, they would take over other continents nearby (Asia, Africa, Europe) and would bring enormous military and naval resources against the U.S. as well.
Consequently, the Axis power represented a threat to American society, and thus America, as the great arsenal of democracy, had a duty to help Britain fight the Axis by giving them military supplies while it stayed out of the actual fighting.
from brainly.com/question/2973921