Correct. The answer is a. The author argues that radios were crucial for the development of national popular culture in the 1920s. The new machine made it possible for Americans around the country to hear the same music, shows, and advertisements, creating mass-produced and mass-consumed culture.
Incorrect. The answer is a. The author argues that radios were crucial for the development of national popular culture in the 1920s. The new machine made it possible for Americans around the country to hear the same music, shows, and advertisements, creating mass-produced and mass-consumed culture.