Presidency of Ronald Reagan to forestall the possibility of an agreement between the United States and the Soviet Union. Nonetheless, both Gorbachev and Reagan agreed to continue arms control negotiations at the October 1986 Reykjavík Summit. At the summit, Gorbachev and Reagan closed in on an agreement to greatly reduce or eliminate the nuclear stockpiles of both the U.S. and the Soviet Union over a ten-year period, but the deal collapsed due to disagreements regarding SDI development. Reagan attacked Gorbachev in a 1987 speech delivered in West Berlin, but negotiations continued. Gorbachev and Reagan broke the impasse by agreeing to negotiate separate treaties on
Presidency of Ronald Reagan intermediate nuclear forces (such as intermediate-range ballistic missiles) and strategic arms (such as intercontinental ballistic missiles). With the framework for an agreement in place, Reagan and Gorbachev met at the 1987 Washington Summit. They signed the Intermediate-Range Nuclear Forces Treaty (INF Treaty), which committed both signatories to the total abolition of their respective short-range and medium-range missile stockpiles. The agreement marked the first time that the United States and the Soviet Union had committed to the elimination of a type of nuclear weapon, though it provided for the dismantlement of only about one-twentieth of the worldwide nuclear weapon arsenal. The