Q: 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: 16th CENTURY PEOPLE 
Clue: In a 1513 work, he described the way a prince could acquire & keep power
A:
niccolo machiavelli