The answer is B: surveillance.
Explanation for each option:
A. Punishment: While punishment is a significant aspect of the justice system, Michel Foucault's theory emphasizes the shift from overt punishment to more subtle forms of control. In his work "Discipline and Punish," Foucault discusses how modern societies have moved away from public spectacles of punishment to more regulated and controlled forms of discipline.
B. Surveillance: According to Foucault, surveillance is a crucial feature in establishing social order. In "Discipline and Punish," he introduces the concept of the Panopticon, a design for a prison where inmates are constantly visible to a central watchtower. This constant visibility creates a sense of perpetual surveillance, leading individuals to regulate their own behavior. Foucault argues that this principle of surveillance extends beyond prisons to other institutions like schools, hospitals, and workplaces, thereby maintaining social order through continuous observation and normalization.
C. Crime Prevention: While crime prevention is an important goal of the justice system, Foucault's theory focuses more on the mechanisms of control and discipline rather than the proactive measures to prevent crime. His analysis is more concerned with how power is exercised through surveillance and disciplinary practices.
D. Mass Incarceration: Although mass incarceration is a significant issue in contemporary justice systems, it is not the primary focus of Foucault's theory. Foucault's work predates the modern era of mass incarceration and is more concerned with the historical shift from physical punishment to disciplinary mechanisms like surveillance.
In summary, Foucault's theory highlights surveillance as the most important feature in establishing social order within today's system of justice.