Why did the United States work so hard to build up its
military during the Cold War?

A) To prevent communism from spreading to their land

B) They were at war with lots of countries

A) To prevent communism from spreading to their land

Explanation:

In 1950, a National Security Council Report known as NSC–68 had echoed Truman’s recommendation that the country use military force to contain communist expansionism anywhere it seemed to be occurring.

what are local authorities doing to fix the problem

explanation:

i know social security wasn't one.

explanation:

hope my answer has you!