Which was one of Machiavelli's main arguments in The Prince?
Machiavelli mainly argued that strong leadership involves a certain amount of selfishness. To learn more about Machiavelli and The Prince, visit: http://www.ask.com/wiki/Machiavellianism.
One of the main arguments of Machiavelli's "The Prince" was that leaders have to use cruel and unusual tactics to rule over their society. Many believed this to be insightful.