What manufacturers keep up with consumers in the 1920s? a. fewer regulations and lower taxes b. more regulations and lower taxes c. changing demands of buyers d. aggressive advertising campaigns

A. fewer regulations and lower taxes

Explanation:

The denomination of Happy Twenties or Crazy Years corresponds to the period of economic prosperity that the United States had from 1922 to 1929. This prosperity benefited the whole society and caused the economy to continue growing at a rate that had not been registered before. But this prosperity would last a short period that would end on October 24, 1929, known as the Black Thursday, and with the arrival of the "crack" of the 29, which would culminate finally with the advent of the Great Depression.

answer; the federal reserve system;

answer; disconfirm the catharsis theory;