The soviet union ceased to exist in december 1991 due in part to: gorbachev's reforms, leading to the end of the communist party the boris yeltsin-led coup of the government the communists winning more seats than the reformers

The right answer for the question that is being asked and shown above is that: "the Boris Yeltsin-led coup of the government." The Soviet Union ceased to exist in December 1991 due in part to the Boris Yeltsin-ledcoup of the government 

Slander.

The re-election of the president abraham lincoln.