Answer: Mikhail Gorbachev
Explanation: Mikhail Gorbachev was the leader of the Soviet Union, a Russian politician and communist. He was also Secretary General of the Communist Party from 1985 to 1991, known as the eighth and final leader of the Soviet Union. He succeeded Brezhnev at the post of leader, whose idea of the reformation that is, perestroika and glasnost he himself had put into action, which turned out to lead to a collapse of the USSR.
