"Others attribute the end of the Cold War to Reagan's desire to prevent a nuclear conflagration. This view asserts that the president never liked nuclear weapons as offensive instruments and that with his SDI program he demonstrated his disdain for deterrence, at least deterrence based on the mutual assured destruction doctrine (MAD). Reagan's goal to eliminate all offensive nuclear weapons, his supporters argue, made possible the INF treaty. Reagan failed to conclude a START treaty before he left office only because the Soviets refused to accept a defensive deterrent strategy, the basis of SDI, as a better alternative to MAD. However, not everyone, including this author, accepts the argument that the Reagan administration was primarily responsible for the end of the Cold War. In fact, probably no one, especially the president, expected that the administration's policies ultimately would cause the disintegration of the Soviet empire, at east not as quickly as it occurred. Said Reagan: "We meant to change a nation [the United States], and instead, we changed a world... All in all, not bad, not bad at all." More important as the cause of the Cold War's demise was the internal weakness of the Soviet Union, which, to be sure, the policies pursued by the Reagan administration exacerbated. By the time Reagan entered the White House, the Soviet economy had sunk into such a state of stagnation that it was obvious that communism had failed and a radically new approach was required. (p. 260-261)"