Among some societies and religions having to do with the supernatural, why are the homes of the deceased burned after they die?

- To discourage their return.

Explanation:

As one looks around, one can witness the diversity possessed by people not only in their food, language, or customs but also their beliefs and conviction.

According to the question, the societies or religions that believe in the supernatural tend to show faith in immaterial objects and beings like angels and spirits. Therefore, the reason (who believes in supernatural) behind the burning of the homes of the deceased after their death would be 'to discourage the return of the spirit' of deceased person. They believe that burning or discarding all their belongings or things that denote their existence would prevent the return of their spirit which they feel may possess a threat to them.