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
Foreign policy of the Ronald Reagan administration crisis and stated that the Soviet Union "runs against the tide of history by denying human freedom and human dignity to its citizens." This was before Gorbachev rose to power in 1985. Reagan later wrote in his autobiography "An American Life" that he "did not see the profound changes that would occur in the Soviet Union after Gorbachev rose to power." To confront the Soviet Union's serious economic problems, Gorbachev implemented bold new policies for freedom and openness called glasnost and perestroika. Reagan relaxed his aggressive rhetoric toward the Soviet Union after Gorbachev became chairman of the Soviet Politburo in