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 the flag of the Soviet Union was lowered from the Kremlin and was replaced with the Russian tricolor flag. The next day, 26 December, the Soviet of the Republics, the upper chamber of the Supreme Soviet, declared that the Soviet Union had ceased to exist as a functioning state, and formally voted both itself and the Union out of existence. Two days after Gorbachev left office, on 27 December 1991, Yeltsin moved into Gorbachev's old office. Gorbachev had aimed to maintain the CPSU as a united party but move it in the direction of Scandinavian-style social democracy. But when the