Original sentence: Concepts of malevolent magic similar to those he describes have been found among cultures worldwide, regardless of development.This work provided definitions for witchcraft which remain the accepted convention in anthropology into the 21st century.While most cultures believe witchcraft to be something willful, some Indigenous peoples in Africa and Melanesia believe witches have a substance or an evil spirit in their bodies that grants them power which may act on its own while the witch is sleeping or unaware
Edited sentence: Concepts of malevolent magic have been found among cultures worldwide, regardless of development.This work provided definitions for witchcraft which became a convention in anthropology.While most cultures believe witchcraft to be something willful, some Indigenous peoples in Africa and Melanesia believe witches have a substance or an evil spirit in their bodies that drives them to do harm or which may act on its own while the witch is sleeping or unaware