Answer:
The new mass culture reflect technological and social changes in the 1920’s as people began to utilize new technologies extensively which changed the whole course of their lives.
Explanation:
The technological and social changes in the 1920s gave Americans an increase in the leisure time which was utilized in exploring new things for fighting regular boredom. New technologies like - television, silent movies, radio and silent movies were very much used and loved by the people. This time is thus regarded as the ' golden age' for the Americans.
The advent of automobiles into the life of common people including other home appliances made their lives easier and happier.