History of socialism under challenge from Solidarność, or Solidarity, a labor union under the leadership of Lech Wałęsa. The union was sufficiently threatening to the government that on 13 December 1981, the head of state, Wojciech Jaruzelski declared martial law, suspended the union, and imprisoned most of its leaders. Mikhail Gorbachev (born 1931), who took control in 1985, was the first Soviet leader to have been born after the October revolution. He is remembered for three initiatives: "glasnost", "perestroika", and the "Frank Sinatra doctrine". "Glasnost", or "openness", was Gorbachev's term for allowing public debate in the Soviet Union to an unprecedented degree. "Perestroika"
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,