HELP URGENT Which statement best explains the effect of the economic crash of 1929?

A. The government quickly responded with a program of public works projects aimed at economic recovery.

B. Interest rates fell to new lows on domestic accounts, so banks were unable to loan more money.

C. Tariffs were repealed in an effort to increase the importation of foreign goods and promote trade.

D. Stock prices fell dramatically, resulting in many people losing great deal of money.