Communist Party of the Soviet Union along with the institution of free multiparty elections led to a decline in the party's power, and after the dissolution of the Soviet Union, the banning of the party by later last RSFSR President Boris Yeltsin and subsequent first President of an evolving democratic and free market economy of the successor Russian Federation. A number of causes contributed to CPSU's loss of control and the dissolution of the Soviet Union during the early 1990s. Some historians have written that Gorbachev's policy of "glasnost" (political openness) was the root cause, noting that it weakened the party's control over society. Gorbachev maintained
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