The people were one nation , so God sent the prophets, announcing good news and warners/givers of notice , and He descended with them The Book , with the truth/correct to judge/rule between the people in what they differed/disputed in it, and no (one) differed/disputed in it except those who were given it from after what the evidences came to them, oppression/transgression/corruption between them, so God guided those who believed, for what they differed/disputed in it from the truth , with His permission , and God guides whom He wills/wants to a straight/direct road/way .