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: AMERICAN AUTHORS 
Clue: In 1900 the Atlantic Monthly published his story "An Odyssey of the North", his literary breakthrough

Answer: jack london


Question: Category: EUROPEAN CAPITALS 
Clue: Although capital of its country, it is not the capital of the province in which it's located, nor is it the seat of government

Answer: amsterdam


Question: Category: 16th CENTURY THINKERS 
Clue: In 1517 he wrote, "The treasures of indulgences are nets with which they now fish for the wealth of men"

Answer:
martin luther