Mikhail Gorbachev major campaign to limit alcohol consumption, which Gorbachev—who believed it would improve health and work efficiency—oversaw. His wife keenly supported the measure. As a result, crime rates fell and life expectancy grew slightly between 1986 and 1987. The reform had significant costs to the Soviet economy, resulting in losses of up to $100 billion between 1985 and 1990. Gorbachev later considered the campaign to have been an error. In April 1986 the Chernobyl disaster occurred; in the immediate aftermath, officials fed Gorbachev incorrect information to downplay the incident. As the scale of the disaster became apparent, 336,000 people were evacuated
1990 Soviet Union presidential election not vote. The day after the election, Gorbachev took office as President at a meeting of the Congress of People's Deputies. 1990 Soviet Union presidential election Presidential elections were held in the Soviet Union on 14 March 1990 to elect a president for a five-year term. This was the only presidential election in the Soviet Union, as the post of president was introduced in 1990, and the Soviet Union disintegrated in the following year. The elections were uncontested, with Mikhail Gorbachev as the only candidate. Although the constitution required the president to be directly-elected, it was decided that the first