 Complete the following phrase:  The source of authority was transferred from public opinion to God. Bernard Lewis writes the community at Medina became a new kind of tribe with Muhammad as its sheikh, while at the same time having a religious character. Watt argues that Muhammads authority had not extended over the entirety of Medina at this time, such that in reality he was only the religious leader of Medina, and his political influence would only become significant after the 