Following the end of the Cold War in 1989, the Soviet Union dissolved in

1.1991

2.1990

3.1993

The Soviet Union dissolved in 1991, when it officialy granted self-governing to it's republics and was reduced to Russia. Moscow had began losing control in 1988 and in 1990 had lost six republics, Lithuania, Moldova, Estonia, Latvia, Armenia and Georgia, in 1991 Boris Yeltsin was elected president and declared the end of the United Socialist Soviet Republics.

Answer: (B) 1991Explanation:

The destruction of the Soviet Union happened on 26 December 1991, authorised granting self-governing independence to the Republics of the Union of Soviet Socialist Republics (USSR). It was a consequence of the declaration number 142-Н of the Supreme Soviet of the Soviet Union. The declaration recognised the independence of the former Soviet republics and formed the Commonwealth of Independent States (CIS), although five of the signatories approved it much later or did not do so at all.