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
Mikhail Gorbachev Deputies' votes. He was the sole candidate on the ballot. The Congress of People's Deputies met for the first time on 25 May in order to elect representatives from the Congress to sit on the Supreme Soviet of the Soviet Union. Nonetheless, the Congress posed problems for Gorbachev: Its sessions were televised, airing more criticism and encouraging people to expect ever more rapid reform. Perestroika meant changing the planned economy into a more active, self-financed system, where the duration of central planning would not exceed five years, and which would be more able to react to economic needs. Communist rule