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 suspension of the deployment of SS-20 missiles in Europe as a move towards resolving intermediate-range nuclear weapons (INF) issues. Later that year, in September, Gorbachev proposed that the Soviets and Americans both cut their nuclear arsenals in half. He went to France on his first trip abroad as Soviet leader in October. November saw the Geneva Summit between Gorbachev and Ronald Reagan. Though no concrete agreement was made, Gorbachev and Reagan struck a personal relationship and decided to hold further meetings. January 1986 would see Gorbachev make his boldest international move so far, when he announced his proposal for the