Mikhail Gorbachev erode Gromyko's dominance of Soviet foreign policy while at the same time sending a signal to the U.S. government that he wanted to improve Soviet-U.S. relations. On 11 March 1985, Chernenko died. Gromyko proposed Gorbachev as the next General-Secretary; as a longstanding party member, Gromyko's recommendation carried great weight among the Central Committee. Gorbachev expected much opposition to his nomination as Chernenko's successor, but ultimately the rest of the Politburo supported him. Shortly after Chernenko's death, the Politburo unanimously elected Gorbachev as his successor; they wanted him over another elderly leader. Although not a well-known figure to the Soviet public,
Mikhail Gorbachev announced the full withdrawal of Soviet forces from Afghanistan. The withdrawal was completed the following year, although the civil war continued as the Mujahedin pushed to overthrow the pro-Soviet Najibullah government. An estimated 14,453 Soviets were killed between 1979 and 1989 as a result of the Afghanistan War. Also during 1988, Gorbachev announced that the Soviet Union would abandon the Brezhnev Doctrine, and allow the Eastern bloc nations to freely determine their own internal affairs. Jokingly dubbed the "Sinatra Doctrine" by Gorbachev's Foreign Ministry spokesman Gennadi Gerasimov, this policy of non-intervention in the affairs of the other Warsaw Pact states