You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Q: Category: HEY, J.J.! 
Clue: In 2001 his change of political affiliation tipped the balance of power in the Senate

A: jim jeffords
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Q: Category: THE HISTORY OF THE WORLD: PART 1 
Clue: This event on October 8-9, 1871 forced thousands of Illinois residents to flee their homes

A: chicago fire
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Q: Category: THE 1990s 
Clue: In 1991, just 5 days after he resigned as party leader, Communist rule in the Soviet Union ended

A:
mikhail gorbachev
****