but that is exactly what happened because of the Doctrine. The Doctrine ensures that even without a valid threat to U.S. security we must waste American lives to "protect the free peoples of the World." (McCullough, 571) Would the world have been a worse place if we had not of gone to war in Korea and Vietnam?? Would the U.S.S.R. have fallen due to its own economic troubles and only short-lived control over its huge population?? These questions can be pondered but never answered. Though one thing is certain, people should not die for a nonexistent cause....