Early nineteenth-century American prisons followed one of two dominant models: the Auburn system, in which prisoners performed factory-style labor by day and were placed in solitary confinement at night, and the Pennsylvania system, where prisoners faced 24-hour solitary confinement for the duration of their sentences.
By the close of the Civil War, the majority of prisons in the United States had adopted the Auburn system - the only exception was Philadelphia\'s Eastern State Penitentiary, makin.
Early nineteenth-century American prisons followed one of two dominant models: the Auburn system, in which prisoners performed factory-style labor by day and were placed in solitary confinement at night, and the Pennsylvania system, where prisoners faced 24-hour solitary confinement for the duration of their sentences