Which of the following most accurately lists the causes of the Great Depression in the United States?

Excessive world debt, strong national banking policies, drop in industrial demand, active government policies to control the stock market

Increase in world trade, laissez faire government policies, active government regulation of the stock market, excessive national debt

Laissez faire government policies, high ratio of industrial and personal debts, excessive speculation in the stock market, weak national bank structure

High ration of industrial and personal debts, active trading in the stock market, high tariffs, and weak national banking system