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 by the increasingly problematic question of nationalities and the dramatic fragmentation of the Eastern Bloc. Despite unprecedented international détente, due to Soviet withdrawal from Afghanistan completed in January and continuing talks between Gorbachev and George H. W. Bush, domestic reforms suffered from increasing divergence between reformists, who wanted faster change, and conservatives, who wanted to limit change. Gorbachev states that he tried to find middle ground between both groups, but this would draw more criticism towards him. The story from this point on moves away from reforms and becomes one of the nationalities question and the eventual dissolution of the