In explaining the Great Depression of the 1930s, historians have pointed to all of the following problematic factors during the 1920s EXCEPT:

A.
a dramatic increase in taxes, government spending, and government regulation of business during the 1920s

B.
stock market speculation, which was encouraged by allowing investors to buy stocks on credit (“buying on the margin”)

C.
overproduction in agriculture and other industries

D.
increasing consumer debt and income inequality