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POPSthe containment influences on the U.S presidents The word containment is associated most strongly with the policies of U.S. President Truman. But the president later mostly insist on a relaxing, moral way of containment. Still, the Soviet Union broke up and the Warsaw Pack disintegrate in 1991
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POPSThe "rollback" advocated by U.S. conservatives Critics argued that the Reagan Doctrine led to so-called blowback and an unnecessary intensification of Third World conflict, but in the various rollback battlefields, the Soviet Union made major concessions, and eventually had to retreat from Afghanistan.