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 Life," Reagan expressed his optimism about the new direction they charted, his warm feelings for Gorbachev, and his concern for Gorbachev's safety because Gorbachev pushed reforms so hard. "I was concerned for his safety," Reagan wrote. "I've still worried about him. How hard and fast can he push reforms without risking his life?" Events would unravel far beyond what Gorbachev originally intended. War between western supported movements and the communist People's Movement for the Liberation of Angola (MPLA) government in Angola, and Cuban and South African military intervention there, led to decades of civil war that cost up to 1