History of Ukrainian nationality Communist Party of the Soviet Union, such as Nikita Khrushchev and Leonid Brezhnev. Religion was still persecuted, with many churches being destroyed or converted into anti-religion museums, though the Uniate church survived in Western Ukraine by going underground. In 1988, Soviet premier Mikhail Gorbachev began to implement his policy of "glasnost", or “openness”. It gave Soviet citizens the freedom of speech with the specific intent of criticising corrupt Soviet officials. Political prisoners and dissidents were released while the media became less censored and controlled. Taking the cue from the Baltic nations, many other national groups within the USSR, including Ukrainians,
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