: Economic stagnation, ethnic tensions, and the failure of centralized control. СССР в 1945-1991 гг.
For common questions in , here are the key concepts you'll need for your homework: reshebnik po istorii 11 klass koshelev smotret
Since you're looking for answers (reshebnik/GDZ) for the 11th-grade World History textbook by V.S. Koshelev, the most efficient way to access them online is through educational portals and electronic libraries. : Economic stagnation, ethnic tensions, and the failure
: The Commonwealth of Independent States, formed after the USSR's dissolution in 1991. : Economic stagnation
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: A policy initiated by Mikhail Gorbachev to reform the Soviet political and economic system.
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