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 Berlin Wall fell. The Cold War was unofficially declared over at the Malta Summit the following month. A civil war had broken out in Lebanon in 1975, and both Israel and Syria undertook military action within Lebanon in 1982. After Israel invaded Southern Lebanon, Reagan faced domestic and international pressure to oppose the Israeli invasion, but Reagan was reluctant to openly break Israel. Reagan sympathized with Israeli's desire to defeat PLO forces that had struck Israel from Lebanon, but he pressured Israel to end its invasion as casualties mounted and Israeli forces approached the Lebanese capital of Beirut. American diplomat