I’m not sure what you mean by “dog meat” or “white man’s burden.” Could you please give more context to your question so I can answer it properly?
Mikhail Gorbachev's reformist policies in the Soviet Union fuelled opposition movements to the Communist regimes in the Soviet bloc countries. The structures of the Eastern bloc disintegrated with the dissolution of the Warsaw Pact and Comecon. The Soviet Union broke up into independent republics.