In the book Prince Machiavelli gives war advice to a Prince. The advice Machiavelli provides is extremely different from how the United States handles their enemies. He advised to harm people and stated violence is an unavoidable part of government. The United States showed during the War in Afghanistan that you can win without following Machiavelli’s recommendations. Machiavelli advises if you must harm people; harm them so severely they will not be able to take revenge on you. This is very different from how the United States handled Afghanistan and Iraq; The War in Afghanistan was slow moving.
It was believed by Machiavelli, you should act humanely only when it will benefit, not because it is ethical. The United States aided in the restructuring