Which of the following Depression era problems was most directly the result of Americans following the philosophy of unregulated capitalism?
A. Both businesses and intellectuals made extremely risky
investments hoping to quickly earn huge profits.
B. Herbert Hoover's tariffs on imported goods provoked foreign
governments to put tariffs on American goods.
C. Widespread drought and improper farming techniques led to
massive dust storms in the Great Plains region.
D. Homeless Americans were forced to live in tent cities called
"Hoovervilles," named after President Hoover.