Which of the Following Was NOT a Disturbing Follow-Up to the Dissolution

Which of the following was NOT a disturbing follow-up to the dissolution of the Soviet Union?

A) economic buccaneering by Russian and foreign entrepreneurs that often included organized crime
B) the emergence of the United States as the sole superpower in the world
C) bitter ethnic conflicts on the margins of Russia, which persisted throughout the 1990s
D) the near collapse of Russia's currency accompanied by severe economic hardship
E) the fragmentation of the Warsaw Pact into competing factions