Final answer:
The movement toward the wider use of private prisons is known as the prison-industrial complex, where private companies profit from the incarceration of individuals.
Step-by-step explanation:
The movement toward the wider use of private prisons is known as the prison-industrial complex. This phrase refers to the collusion between political leaders and corporations within the multibillion-dollar industries, including private prisons and law enforcement equipment, that provide products and services used by the criminal justice system. The growth of private prisons is seen as part of this complex, where private companies profit from the incarceration of individuals.