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
1989 Sino-Soviet Summit though Gorbachev did not say it directly during the Summit or afterward, he sympathized with the protestors as they were pushing for the political changes that Gorbachev had implemented in the Soviet Union. 1989 Sino-Soviet Summit The four-day Sino-Soviet Summit was held in Beijing from May 15–18, 1989. This would be the first formal meeting between the Soviet Communist leader and the Chinese Communist leader since the Sino-Soviet split in the 1950s. The last Soviet leader to visit China was Nikita Khrushchev in September 1959. Both Deng Xiaoping, the paramount leader of China, and Mikhail Gorbachev, General Secretary of the