This falsity around him and within him did more than anything else to poison his last days
Proper politics, effective governing, and the correct way to use the military and fight a war. Machiavelli's big change from the norm at the time was to see the military as a natural extension of the political part of government. He purported using the military to help get political agendas accomplished.
Hope that helps
I think The answer would be B
I'm fairly certain it's the first answer but it may be the third answer as well but I believe it's the first more though.