Battle of Badr he would only be able to mount limited challenges to Muhammad. The other major beneficiary of the Battle of Badr was Abu Sufyan, safely away from the battle leading the caravan. The death of Amr ibn Hashim, as well as many other Quraishi nobles gave Abu Sufyan the opportunity, almost by default, to become chief of the Quraish. As a result, when Muhammad marched into Mecca six years later, it was Abu Sufyan who helped negotiate its peaceful surrender. Abu Sufyan subsequently became a high-ranking official in the Muslim Empire, and his son Muawiya would later go on to found
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