blimp jk it was a time in the Western US of droughts with no water and people were very poor because the farmers ran off of crops but there was a drought so all the crops died therefore no money for farmers(aka everyone)
Answer:
The automobile has been a key force for change in twentieth-century America. During the 1920s the industry became the backbone of a new consumer goods-oriented society. By the mid-1920s it ranked first in value of product, and in 1982 it provided one out of every six jobs in the United States.
Explanation:
When USA stopped selling oil and scrap metal to Japan.
Japan got slowed down in CBI.
C. culture I think it may be all of the above