Final answer:
Some Cherokee believe that illness may be caused by witchcraft due to cultural and spiritual beliefs and practices.
Step-by-step explanation:
Some Cherokee believe that illness may be caused by witchcraft. This belief is rooted in cultural and spiritual practices that attribute the power of illness to hostile spiritual forces. For example, in eastern North America, native peoples engaged in 'mourning wars' to exorcise disease from their communities. These wars involved gaining captives who would either be adopted or ritually tortured and executed as a means of appeasing the anger and grief caused by loss.