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%
Presidency of Ronald Reagan troops since the end of the Vietnam War. The administration also created controversy by granting aid to paramilitary forces seeking to overthrow leftist governments, particularly in war-torn Central America and Afghanistan. Specifically, the Reagan administration engaged in covert arms sales to Iran to fund Contra rebels in Nicaragua that were fighting to overthrow their nation's socialist government; the resulting scandal led to the conviction or resignation of several administration officials. During Reagan's second term, he sought closer relations with Soviet leader Mikhail Gorbachev, and the two leaders signed a major arms control agreement known as the INF Treaty. Leaving office