There is communism in only Five Nations today, China, Vietnam, Cuba, North Korea and Laos.
It was called the CONTAINMENT POLICY.Please see this WikiAnswers Article which details how Containment worked.
Truman and George F Kennan (the "father of containment")
Containment
The Truman also known as "containment"
Communism
Communism
to stop the spread of communism
Containment.
Containment Policy
The Monroe doctrine kept communism in its current borders. In addition, "containment" was a word often used during the Cold War to stem the flow of communism.
Containment
Communism