Answer:
D. many people migrated away from their homes.
Step-by-step explanation:
A is incorrect as the stock market crashed resulting in people not trusting it
B is incorrect as the people don't have enough money to buy second homes
C is incorrect most banks were usually closed or on the brink of being closed
D. is correct as many migrated away from their homes to find job
Hope this helps!!
Sorry if I am wrong
(If I am incorrect then the answer is probably C.)