The penitentiary was to be a place where which of the following happened? A people who committed a crime could reflect on their misdeeds B people who committed a crime were isolated from bad influences in society C people who committed a crime were isolated from one another (D) All of these are correct.

D All of these are correct.<br /><br />The concept of the penitentiary was designed to serve multiple purposes: it was a place where individuals who committed crimes could reflect on their misdeeds (A), be isolated from bad influences in society (B), and also be isolated from one another (C). This approach aimed to encourage rehabilitation and moral reform through solitude and contemplation.