During the Great Depression,the U

Multiple Choice

During the Great Depression,the U.S.aggregate demand curve shifted to the left,in part,because

A) there was a huge discovery of gold in the western United States.
B) the U.S.government decreased the supply of money.
C) there was an advancement in technology in manufacturing.
D) there was an increase in trade with other countries.
E) the U.S.government decreased taxes.