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.
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Question: Category: THE 19th CENTURY 
Clue: 1853 purchase that brought the contiguous U.S. about up to its present area

Answer: the gadsden purchase


Question: Category: WORD ORIGINS 
Clue: Aka hump day, it was named for a Norse god

Answer: wednesday


Question: Category: CAN'T LIVE WITH 'EM 
Clue: From words meaning "great madness", these people have delusions of grandeur

Answer:
megalomaniacs