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: DUEL 
Clue: In English-speaking countries, once a duel was accepted, this person chose the weapons to be used
[EX A]: the person being challenged

[EX Q]: Category: ANIMAL PARTS 
Clue: These 2 hairstyles that have the hair all drawn back, either loose or braided, & cinched, may be found on a farmer's daughter
[EX A]: pigtails & ponytails

[EX Q]: Category: ____ OF ____ 
Clue: The name of this 1781-89 document continues, "and perpetual union between the states"
[EX A]:
the articles of confederation