Which factor contributed to the Great Depression of the 1930s?
Aoverproduction, bank failures, and buying stock on credit (margin)
Bheavy spending on the space program
Cthe U.S. victory in World War II
Dthe Louisiana Purchase
Explanation
Underlying weaknesses—overproduction, risky margin buying, weak banks, and unequal wealth—made the economy fragile before the 1929 crash.