Communist Party of the Soviet Union reinvigorated the party ideology by adding new concepts and updating older ones. A positive consequence of this was the allowance of "pluralism of thought" and a call for the establishment of "socialist pluralism" (literally, socialist democracy). He introduced a policy of "glasnost" (Russian: "openness", "transparency") in 1986, which led to a wave of unintended democratization. According to Russian scholar Archie Brown, the democratization of the Soviet Union brought mixed blessings to Gorbachev; it helped him to weaken his conservative opponents within the party but brought out accumulated grievances which had been oppressed during the previous decades. In reaction to these
Mikhail Gorbachev for his role in the collapse of the Soviet Union and the ensuing economic collapse. During his career, Gorbachev attracted the admiration of some colleagues, but others came to hate him. Mikhail Gorbachev Mikhail Sergeyevich Gorbachev (born 2 March 1931) is a Russian and formerly Soviet politician. He was the eighth and last leader of the Soviet Union, having been General Secretary of the governing Communist Party of the Soviet Union from 1985 until 1991. He was the country's head of state from 1988 until 1991, serving as Chairman of the Presidium of the Supreme Soviet from 1988 to 1989,