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: PHONING IT IN 
Clue: Reflecting the company's activities at its founding in 1885, it was the second "T" in AT&T

Answer: telegraph


Question: Category: "OUCH"! 
Clue: In Ancient Egyptian inscription, this oval figure held the names of royal personages

Answer: cartouche


Question: Category: THE CIVIL WAR 
Clue: In 1856, on the Senate floor, Rep. Preston Brooks of S.C. beat this Mass. senator unconscious

Answer:
sumner