Battle of Badr first was Muhammad, who was transformed overnight from a Meccan outcast into a major leader. Marshall Hodgson adds that Badr forced the other Arabs to "regard the Muslims as challengers and potential inheritors to the prestige and the political role of the [Quraish]." Shortly thereafter he expelled the Banu Qaynuqa, one of the Jewish tribes at Medina that had been threatening his political position, and who had assaulted a Muslim woman which led to their expulsion for breaking the peace treaty. At the same time Abd-Allah ibn Ubayy, Muhammad's chief opponent in Medina, found his own position seriously weakened. Henceforth,
Battle of the Defile the Turgesh army withdrew north towards Samarkand. The Muslim army followed, and scored a victory in a battle fought near the city. Junayd then retired with his troops to winter in Merv. During the winter, rebellions broke out south of the Oxus, in Tokharistan, which had hitherto been quiescent to Muslim rule. Junayd was forced to set out for Balkh and there dispersed 28,000 of his men to quell the revolt. This left him seriously weakened when, in early 731, the Turgesh laid siege to Samarkand and appeals for aid arrived from the city's governor, Sawra ibn al-Hurr al-Abani. Despite