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
Khomeini's letter to Mikhail Gorbachev a lack of belief in spirituality the prime affliction of the human society in the East and the west alike." Khomeini warned Gorbachev "against falling into the arms of Western capitalism." After hearing the text of the letter, Gorbachev thanked Ruhollah Khomeini for the letter and said: "I'll send an answer to this letter as soon as possible" and added "we'll deliver [Khomeini's letter] to the Soviet clergymen". Referring to Khomeini's invitation to Islam, he said: "we are approving the law of religious freedom in the Soviet Union, I have claimed before that despite having different ideologies we can have