These newly available documents show with unprecedented clarity that the president himself and many of his White House advisers did much to prolong the life of the Soviet Union, worried about the rise of the future Russian president Boris Yeltsin and the drives for independence by leaders of other Soviet republics, and, once the Soviet Union was gone, wanted Russia to become the sole owner of the Soviet nuclear arsenals and maintain its influence in the post-Soviet space, especially in the Central Asian republics.