The policies passed in response to the great depression contributed to a change in earlier popular beliefs?

When he response also called the second New Deal was to evolve; it included union protection programs, the Social Security Act, and programs to aid tenant farmers and migrant workers. In the long run, New Deal programs set a precedent for the federal government to play a key role in the economic and social affairs of the nation.

Yes, the earlier popular beliefs changed.

Explanation:

The Great Depression was a result of the nonintervention of the government in the economic treats. More than that, the 1920s made everyone understand that overproduction is not the answer and that the government has the duty to inspect what is happening in economics. To care about the production of goods and to maintain the health of economics.