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 CIVIL WAR
Clue: A century before the U.S.S. Nautilus, the Confederacy had 2 of these new ships, the Pioneer & the Hunley

Answer: submarines

Question: Category: HEY, BEAUTIFUL
Clue: She auditioned for the role of Cordelia on "Buffy the Vampire Slayer" but won the title role instead

Answer: sarah michelle gellar

Question: Category: DURING THE FILLMORE PRESIDENCY
Clue: On August 22, 1851 this U.S. yacht defeated 14 British vessels in a race around the Isle of Wight

Answer:
the america