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
Republics of the Soviet Union but the offer was rejected. During the Soviet–Afghan War, the Soviet Union proposed to annex Northern Afghanistan as its 16th union republic in what was to become the Afghan Soviet Socialist Republic. Several of the Union Republics themselves, most notably Russia, were further subdivided into Autonomous Soviet Socialist Republics (ASSRs). Though administratively part of their respective Union Republics, ASSRs were also established based on ethnic/cultural lines. Under Mikhail Gorbachev, "openness" and "restructuring" were intended to liberalise and open up the Soviet Union. However, they had a number of effects which caused the power of the republics to increase. First, political