While not a direct cause of the Great Depression, the drought that occurred in the Mississippi Valley in 1930 was of such proportions that many could not even pay their taxes or other debts and had to sell their farms for no profit to themselves.
Great Depression Notes . . .
Overproduction A main cause of the Great Depression was overproduction. Factories and farms were producing more goods than the people could afford to buy. As a result, prices fell, factories closed and workers were laid off.