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.

Category: AMERICAN NOVELISTS 
Clue: "What is moral is what you feel good after and what is immoral is what you feel bad after", he wrote in 1932
ernest hemingway

Category: TOYS 
Clue: In 1963 sculptor Phil Kraczkowski was paid $600 to design this Hasbro toy's original head
g.i. joe

Category: HOLIDAY HISTORY 
Clue: Cuba removed Christmas from its list of national holidays in 1969 & restored it in 1997 in anticipation of a visit by this man

pope john paul ii