WHY did the U. S want to stop Communism from spreading?

The strategy of "containment" is best known as a Cold War foreign policy of the United States and its allies to prevent the spread of communism after the end of World War II.

Explanation:

It is because that the cold war policy of the united states and to prevent the spread of communism after world war II.

this is true

a)scientists

explanation:

the national defense education act had two main goals. the first one was to provide personal that was oriented to defense, including scholars, engineering students and so on. the other goal was to provide financial assistance for the students who would be enrolling at colleges and universities in the 1960s.