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
1985: The Year of the Spy tensions between the United States and the Soviet Union at a crucial point in the Cold War; Mikhail Gorbachev rose to power as Soviet general secretary in the same year. These high-publicity cases added to the American public's suspicion of the Soviets at a time when the Soviet Union was transitioning into new leadership and reforms under Gorbachev. Even Gorbachev's meeting with President Ronald Reagan at the November Geneva Summit did little to reduce uncertainty as to the future of U.S.-Soviet relations. The arrest of so many foreign spies working within the United States Intelligence Community sparked two demands among