When he won the Battle of Badr they concluded he was the...

When he won the Battle of Badr they concluded he was the predicted Prophet whose banner would never be turned back, but after his defeat at Uhud they began to doubt his claims, and breaking their pledge, plotted against him. One of their chiefs, Kaab bin Ashraf, with forty mounted Jews, went to Mecca and presented themselves at the Kaaba, where they were met by Abu Sufyan and forty of the Quraish, with whom the Jews concluded a league and then returned to Medina.

Jibraeel informed the Prophet of this treacherous act, and commanded him to slay Kaab, which was accordingly done by Muhammad bin Muslima as was mentioned previously. The first confrontation of Bani Nuzayr with the Prophet according to the account of Ali bin Ibrahim was that the Medinan Jews of Bani Harun had…