Those hit hardest by the Depression were

Awealthy industrialists.
Bhigh-paid office workers.
Clow-paid laborers.
Dsouthern landowners.

Verified Answer :

People who had a low pay had many difficulties because they lost their jobs and since they had not much money, they couldn't take care of their families.

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LOW-PAID LABORERSĀ I BELEIVE IS THE ANSWER'