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


question:
Category: AT THE KENNEDY CENTER 
Clue: Can you hear me?  This rock opera by The Who was a big hit at the Kennedy Center in 1994
answer:
tommy


question:
Category: THE AMERICAN REVOLUTION 
Clue: The Continental Navy won its first victory under Commodore Esek Hopkins at Nassau in these islands
answer:

bahamas