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.

[EX Q]: Category: PLAGUES & PESTILENCE
Clue: Having first escaped from a South American research lab in 1957, they became a threat to the U.S. in 1990
[EX A]: killer bees

[EX Q]: Category: RULERS
Clue: In 44 B.C. he was made dictator for life, a post abolished after he died the same year
[EX A]: julius caesar

[EX Q]: Category: U.S. HISTORY
Clue: A 1924 law gave citizenship to all these members of what were called "domestic dependent nations"
[EX A]:
native americans