This document discusses different justifications for punishment and sociological perspectives on punishment. There are four main justifications for punishment: deterrence, rehabilitation, incapacitation, and retribution. Various sociological perspectives are also discussed, including functionalism, Marxism, and the views of Michel Foucault. Functionalists see punishment as upholding social solidarity and shared values. Marxists see punishment as maintaining the existing social order under capitalism. Foucault analyzed the shift from sovereign power to disciplinary power and how punishment has changed from physical to imprisonment and surveillance.