finally we need to look at a contentious point—the morality of Islam, and the attitude to war and violence.
Muhammad died in 632 AD. After a series of battles with his opponents he had been able to return to Mecca (630 AD) re-establishing himself in his former home town. By this time he was well on his way also to imposing Islam on the rest of Arabia—by force mainly, not by persuasion. Further battles left him as de facto ruler of Arabia.