How did radio smooth out regional differences?

A. Americans from coast to coast could listen to the exact same programming.

B. Americans were able to buy what everyone else wanted.

C. Americans were able to hear their President live for the first time

D. Americans were able to travel more easily with newer technology.

The correct answer is option A. Americans from coast to coast could listen to the exact same programming.

Explanation:

Radio was first invented in the United Kingdom, and from there it spread. It became a reason for people from different coasts to listen to the same programs at once.

It shortened the distance between languages, dialects, awareness of what goes on, music and etc. It gave people the opportunity to learn about new cultures through different radio programs. It also allowed people to enjoy entertainment and sports in a rather different than usual way.

a big wall across the mexican border so no drugs, terrorist, or illegal immigrants can come through : )    

the following best describes postwar era writers in their works:

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.