Soviet Union in less than two years. In an attempt to avoid a third short-lived leader, in 1985, the Soviets turned to the next generation and selected Mikhail Gorbachev. Gorbachev made significant changes in the economy and party leadership, called "perestroika". His policy of "glasnost" freed public access to information after decades of heavy government censorship. Gorbachev also moved to end the Cold War. In 1988, the Soviet Union abandoned its nine-year war in Afghanistan and began to withdraw its forces. In the late 1980s, , which paved the way for Revolutions of 1989. With the tearing down of the Berlin Wall
Mikhail Gorbachev and the communist government had already been deposed. Moscow's abandonment of the Brezhnev Doctrine allowed the rise of popular upheavals in Eastern Europe throughout 1989, in which Communism was overthrown. By the end of 1989, revolts had spread from one Eastern European capital to another, ousting the regimes built in Eastern Europe after World War II. Except in Romania, the popular upheavals against the pro-Soviet regimes were all peaceful ("see Revolutions of 1989"). The loosening of Soviet hegemony over Eastern Europe effectively ended the Cold War, and for this, Gorbachev was awarded the Otto Hahn Peace Medal in Gold in