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: POLITICAL PHILOSOPHY 
Clue: The subtitle of this influential 1762 treatise is "Principes du droit politique" ("Principles of Political Right")
[A]: the social contract


[Q]: Category: U.S. STAMPS 
Clue: FDR's in 1982 was the last stamp to show 1 of these; they were removed from photos of Jackson Pollock & Edward R. Murrow
[A]: cigarette


[Q]: Category: CELEBRITY WOMEN 
Clue: She said, "The reason I'm not a nun is...you can't take your own name...I have the most holy name a woman can have"
[A]:
madonna