What is the best definition of the new American foreign policy known as containment? A.) A slow, constant effort to keep communism where it already exists and challenge any potential expansion

B.) An immediate, aggressive attempt to end communism in the Soviet Union through military action

C.) A steady approach to isolate the United States from global affairs and reestablish peacetime stability

D.) A methodical effort to keep or contain communism within Western Europe since it would be easier to defeat in this region