The last ruler of Soviet Union was ___________?

A. Mikhail Gorbachev
B. Boris Yeltsin
C. Leonid Brezhnev
D. None of the above

Mikhail Sergeyevich Gorbachev (born 2 March 1931) is a Russian and former Soviet politician. The eighth and final leader of the Soviet Union, he was the General Secretary of the Communist Party of the Soviet Union from 1985 until 1991.