First, it is argued that if one believes that the use of any and all forms of coercion are morally unacceptable in human relationships, then this should also imply that any compulsory taxation, even when for the funding of defense and legal justice, is unjustifiable. And, second, it is argued that the private sector could provide such admittedly essential services far more efficiently and cost-effectively than the monopoly agency of government. Murray Rothbard and David Friedman probably have been among the most well-known and articulate proponents of the anarcho-capitalist position over the last 50 years.