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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affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts

the correct answer option is: weapons.

explanation:

tensions rose as the two opposing superpowers competed for 'weapons'.

referring to the cold war (1945-1991), the two superpowers, usa and ussr, experienced a phase of struggle and conflict with each other. these two superpowers considered each other as a threat to their survival and thus opted for policies to strengthen their positions.

the two superpowers never went to war with each other directly but competed for weapons to preserve their positions.