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.

Q: Category: WHAT THE "H" 
Clue: To celebrate the bicentennial of Andrew Jackson's birth, Lyndon Johnson visited this mansion in March 1967

A: the hermitage
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Q: Category: FAMOUS FOLKS 
Clue: During WWII this Geodesic Dome inventor headed mechanical engineering for the Board of Economic Warfare

A: buckminster fuller
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Q: Category: THE OLD TESTAMENT 
Clue: In Joshua the Israelites made a miraculous crossing of this river, much as they did at the Red Sea

A:
jordan
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