Question

How did Boris Yeltsin become the president of Russia?

Answer 1

Answer:

He does become president through agreement despite  of a referendum on march 1991.  

Explanation:

He was a Russian politician who became President of Russia in 1990.

In 1991 year he did become the first popularly elected leader in the country's history guiding Russia through a  storm decade of political and economycs troubles.

Answer 2

Answer:On 29 May 1990, he was elected the chairman of the Russian Supreme Soviet. ... Upon the resignation of Mikhail Gorbachev and the dissolution of the Soviet Union on 25 December 1991, the RSFSR became the sovereign state of the Russian Federation, and Yeltsin remained in office as president.