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Nikolai Tikhonov was the Premier of the Soviet Union from 1985 to 1989, when he was succeeded by Nikolay Ryzhkov. Tikhonov was a close ally of Leonid Brezhnev, and he continued Brezhnev's policies after his death in 1982. Tikhonov was a conservative, and he resisted calls for reform. He was also a weak leader, and he was unable to control the growing unrest in the Soviet Union.