Ronald Reagan explained his strategy was an arms buildup that would leave the Soviets far behind, with no choice but to negotiate arms reduction. Finally, displaying his characteristic optimism, he praised liberal democracy and promised that such a system eventually would triumph over Soviet communism. Reagan appreciated the revolutionary change in the direction of the Soviet policy with Mikhail Gorbachev, and shifted to diplomacy, with a view to encourage the Soviet leader to pursue substantial arms agreements. He and Gorbachev held four summit conferences between 1985 and 1988: the first in Geneva, Switzerland, the second in Reykjavík, Iceland, the third in Washington,
Mikhail Gorbachev concrete agreement immediately, or for leading to a staged elimination of nuclear weapons. Reagan was persuaded by Richard Perle to reject limits on SDI testing because Perle thought that the far-reaching arms control deal proposed by the Soviets would improve the Soviet domestic economy and have a beneficial impact on the Soviet standard of living. In the long term, nevertheless, this would culminate in the signing of the Intermediate-Range Nuclear Forces (INF) Treaty in 1987, after Gorbachev had proposed this elimination on 22 July 1987 (and it was subsequently agreed on in Geneva on 24 November). In February 1988, Gorbachev