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 elimination of intermediate-range nuclear weapons in Europe and his strategy for eliminating all of the Soviet nuclear arsenal by the year 2000 (often referred to as the 'January Proposal'). He also began the process of withdrawing troops from Afghanistan and Mongolia on 28 July. Nonetheless, many observers, such as Jack F. Matlock, Jr. (despite generally praising Gorbachev as well as Reagan), have criticized Gorbachev for taking too long to achieve withdrawal from the Afghanistan War, citing it as an example of lingering elements of "old thinking" in Gorbachev. On 11 October 1986, Gorbachev and Reagan met at Höfði house in