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 huge invention in America. It allowed people from different regions to listen to the same programs at the same time. It also reduced distances among them because it allowed people to smooth out their differences related to language, dialect, music and also the taste of the customers. In addition, radio also had a part in transforming the way the people enjoyed sports and other entertainment.  

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i just did something on this guy a few days a go give me two minutes to find it in my notes.

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion