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
Army of the North victory. The battle was favorable to Balcarce even though he again had numerical inferiority (800 royalist against 600 rebels, and in Cotagaita 2,000 royalists against 1,100 rebels). Balcarce earned the rank of brigadier, and the confidence to advance towards the Desaguadero River, border of the viceroyalty in colonial times. Due to internal disagreements Castelli had to dismiss Güemes and his gaucho soldiers. The royalist defenses were left in charge of general José Manuel de Goyeneche, who met with Castelli and signed an armistice to last for forty days from 16 May. The army moved from the encampment at La Laja,