Did Ronald Reagan win the cold war? It's been a dozen years since its end—time enough to look back on the era with some historical perspective. And one question that historians continue to argue about is the role that Ronald Reagan, the man and his policies, played in bringing the cold war to an end. To what extent did Reagan's cold war strategy build on efforts of previous administrations and to what extent was it new? Did the Soviet Union collapse as a result of external pressure or internal weakness?