instruction:
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.
question:
Category: HISTORIC AMERICANS 
Clue: He turned down an appointment as a U.S. senator in 1875 because it meant accepting a pardon for treason
answer:
jefferson davis


question:
Category: MODERN MATERIALS 
Clue: Introduced in the '70s to replace steel belting on high-speed tires, it's called stronger than steel & lighter than nylon
answer:
kevlar


question:
Category: WORLD DRAMA 
Clue: In its first U.S. performance in English, this play was billed as "The Child Wife" in 1882
answer:

\"a doll\'s house\"