Original sentence: Aiming at placing the events in their historical context, Watt points to the "harsh political circumstances of that era" and argues that the treatment of Qurayza was regular Arab practice.Similar statements are made by Stillman, Paret and Rodinson.Watt, William Montgomery, Muhammad at Medina, 1956
Edited sentence: " Similar statements are made by Paret and Rodinson.Aiming at placing the events in their historical context, Watt argues from the "harsh political circumstances of that era" Stillman argues that the "slaughter of adult males and the enslavement of women and children were common practice throughout the ancient world