"For Rothbard, it was precisely capitalism that was the one and only savior of mankind. Whereas Buchanan was a strict constitutionalist and a strong patriot, Rothbard was opposed to government itself—and not just the American government, but all government. According to Rothbard’s anarcho-capitalism, all state functions could be served cheaper, better, and more effectively by the free market. This included the police and even national defense."