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
History of the foreign relations of the United Kingdom the time hostilities began on 17 January 1991. Thatcher was one of the first Western leaders to respond warmly to reformist Soviet leader Mikhail Gorbachev. Following Reagan–Gorbachev summit meetings and reforms enacted by Gorbachev in the USSR, she declared in November 1988 that "We're not in a Cold War now", but rather in a "new relationship much wider than the Cold War ever was". She went on a state visit to the Soviet Union in 1984 and met with Gorbachev and Nikolai Ryzhkov, the Chairman of the Council of Ministers. Thatcher was initially opposed to German reunification, telling Gorbachev that