Question

the 1920s saw the rise of a shared national culture in america for the first ti large part to the popularization of radio. after being introduced to many am the war, radios became a common household feature. people listened to the the same music all over the country. black art, music, and culture, which flo the harlem renaissance, became popular nationwide. young people from c danced the charleston.
radio also led to a boom in advertising. factories that had been built to m ammunition for the war shifted gears to make consumer products like car refrigerators, and washing machines. advertisements made these new lux necessities for the good life. cars, especially, made up the biggest part of boom. by 1929, there was one car on the road for every five americans.
according to the passage, which of these was essential to the growth of a national culture?

Explanation:

The passage states that the 1920s saw the rise of a shared national culture in America largely due to the popularization of radio, which allowed people across the country to access the same music and cultural content, spreading trends like the Harlem Renaissance and the Charleston nationwide.

Answer:

The popularization of radio was essential to the growth of a shared national culture in America in the 1920s.