Question

How did the invention of radio contribute to a national American identity?

Answer 1

Answer:

A.  Americans began to develop a shared culture across state and regional lines.

Explanation:

Radio was invented by Guglielmo Marconi around 1895 - 1896 and commercially used in 1900.

Radio came with benefits to the society and also contributed to a national American identity by sharing the cultural values across state and regional lines. Radio mix the culture in airwaves and sent it to every home around the country, that develop a shared culture across state and regional lines.

Hence, the correct answer is "A.  Americans began to develop a shared culture across state and regional lines."