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 to reduce party control of the government apparatus. He proposed a new executive in the form of a presidential system, as well as a new legislative element, to be called the Congress of People's Deputies. Elections to the Congress of People's Deputies were held throughout the Soviet Union in March and April 1989. This was the first free election in the Soviet Union since 1917. Gorbachev became Chairman of the Supreme Soviet (or head of state) on 25 May 1989. On 15 March 1990, Gorbachev was elected as the first executive President of the Soviet Union with 59% of the