Donbas Region
== ==
The Soviet Union, particulary the Ukrane region, was a major grain producer.
eastern Europe
Central Asia
The Soviet Union decreased pollution and safety for the Caucasus region.
Controlling for things like population and education, no one region of the former Soviet Union was likely more prolific than the others in producing dissidents. However, those who were judged to have violated Soviet law or norms of behavior were subject to internal exile in Siberia and it is this region that is most associated with the fate of Soviet dissidents.
Because the Soviet Union collapsed.
The Soviet Union and its satellites
The Caucasus region was part of the Soviet Union until its collapse in 1991. After the dissolution of the Soviet Union, the countries in the region, including Russia, Georgia, Armenia, and Azerbaijan, gained independence and control over their own territories.
The Soviet Union collapsed in 1991.
Central Asia
Yes