Original sentence: The problems with a close study of Manetho, despite the reliance of Egyptologists on him for their reconstructions of the Egyptian dynasties, is that not only Aegyptiaca was not preserved as a whole, but that it became involved in a bitter battle between advocates of Egyptian, Jewish, and Greek histories in the form of supporting polemics
Edited sentence: The problem with a close study of Manetho, despite the reliance of Egyptologists on him for their reconstructions of the Egyptian dynasties, is that not only was Aegyptiaca not preserved as a whole, it also became involved in a bitter battle between advocates of Egyptian, Jewish, and Greek histories in the form of supporting polemics