 It argues that self-defense is a personal responsibility, which one can fulfill by hiring an agent to protect him, such as a private defense agency.It distinguishes initiated force from retaliatory force, noting that the former is not a market phenomenon because it acts to destroy the market; but the latter is a market phenomenon because it restrains aggressors who would destroy it and/or exacts reparations from them.It notes that government creates a social environment which breeds crime through its prohibitions on gambling, prostitution, drugs, and so on.