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: I believe the answer would be C
Explanation: It would be C Because it makes the most sense.
Answer:
The formation of the middle and working classes.
Explanation: