What were the key features of mass
production in 1920s.

Key features of Mass  production in 1920s:

There were policies like;

Mass production in the history was the process which taught the labor, certain principles and methods to produce at a larger scale. This leads to production of more quantity and increase in quality but at a lower cost and as a result there was growth of the economy. Biggest example of this mass production in the 1920s was car manufacturer companies like Ford and General motors.

what are local authorities doing to fix the problem

explanation: