Original sentence: , was an Arab religious and political leader who established Islam and the Muslim community (Ummah) to whom he preached
Edited sentence: , was a controversial Arab religious and political leader who established Islam and the Muslim community (Ummah) to whom he preached.Despite the facts that Muhammad at times advocated conversion by force, and pre-genocidal (see Banu Qurayza) consequences that were later used as a template by Islamic armies that forged one of the world's great empires, Muhammad did introduce revolutionary ideas to the Arabic people.Only later after military successes by Muhammad gave him almost autocratic power.The Jewish groups had refused to acknowledge Muhammad as a prophet and in the document only appear second in character.When the Jewish clan surrendered to Muhammad, the men were all summarily executed and the women and children were sold into slavery