The idea put forth by Machiavelli in the book 'The Prince' was that the writer advised the princes on various political matters.
Niccolo Machiavelli was the author of the book named 'The Prince' who wrote the book in the year 1513.
In the book, the author advised the kings in order to retain their survival and control over their empires. They need to act very wisely and sometimes unmerciful or cruelly while taking decisions.
Therefore, the author was advising the kings on the matters relating to politics in the book 'The Prince'.
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