Reykjavík Summit continued, and U.S.–Soviet relations – already strained by the failure of the Geneva Summit the previous year – were further strained by the Daniloff–Zakharov espionage affair. At Reykjavík, Reagan sought to include discussion of human rights, emigration of Soviet Jews and dissidents, and the Soviet invasion of Afghanistan. Gorbachev sought to limit the talks solely to arms control. The Soviets acceded to the "double-zero" proposal for eliminating INF weapons from Europe, as initially proposed by President Reagan in November 1981 (INF denoting "Intermediate-Range Nuclear Forces" as distinct from ICBMs, or intercontinental ballistic missiles). The Soviets also proposed to eliminate 50%
Ronald Reagan with Gorbachev. The talks culminated in the INF Treaty, which shrank both countries' nuclear arsenals. Reagan began his presidency during the decline of the Soviet Union, and the Berlin Wall fell just ten months after the end of his term. Germany reunified the following year, and on December 26, 1991 (nearly three years after he left office), the Soviet Union collapsed. When Reagan left office in 1989, he held an approval rating of 68 percent, matching those of Franklin D. Roosevelt, and later Bill Clinton, as the highest ratings for departing presidents in the modern era. He was the first