Question

What factors contributed to environmental improvements in Eastern Europe during the 1990s?

Answer 1

the collapse of the Soviet Union, the end of collectives, industrial closures, investment by foreign countries.

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Answer 2

Collectives disbanded, foreign investment, many nations joining the EU, the collapse of the Soviet Union, and industrial closures are the factors that contributes to the environmental problems in Eastern Europe during the 1990s. Hope this Helps:)))