Final answer:
People profited from the corpses of the victims through organ trafficking, medical research, selling belongings, and ritualistic practices.
Step-by-step explanation:
The profit from selling the corpses of the victims can be traced to various practices throughout history. One way people profited from the corpses was through organ trafficking, where organs were illegally removed from the bodies and sold for transplantation. Another way was through medical research, where bodies were dissected and studied for scientific purposes. In some cases, the belongings of the victims were sold for profit, which falls under the category of selling belongings. Additionally, in certain cultures and societies, corpses were used for ritualistic practices, such as sacrifices and elaborate funerals.