The most significant impact of television in post-World War II United States was that it
A) fostered a sense of national cultural conformity.
B) made people rally against hatred and intolerance.
C) showed the many diverse interests and influences in and on the country.
D) was a major factor in creating support for the "Women's Liberation" movement.

The correct answer is A) fostered a sense of national cultural conformity.

Explanation:

While Television had been around for a couple of years prior to World War II, it was only by the end of the war and during the economic boom that it's cultural impact was felt on a national level.

Just like what the radio did several decades ago, TV was able to do on a much larger scale and have a more meaningful visual impact.

Americans all over the country were able to watch the same sports, news, weather reports and even family friend entertainment programs.

This was able to build a strong cultural and national identity among various different regions of the country.

cuban communists pressured the soviet union to place missiles in cuba.

these civilizations were located around fertile rivers, where they could produce an abundance of crops