Battle of Badr April 624, it was reported in Medina that Abu Sufyan was leading a caravan from Syria to Mecca containing weapons to be used against the Muslims. Muhammad gathered 313 men and went to Badr to intercept the caravan. However, Meccan spies informed Abu Sufyan about the Muslims coming to intercept his caravan; Abu Sufyan changed his course to take another path to Mecca and sent a message to Mecca. Abu Jahl replied to Abu Sufyan's request and gathered an army to fight against the Muslims. Muhammad's forces included Abu Bakr, Umar, Ali, Hamza, Mus`ab ibn `Umair, Az-Zubair bin Al-'Awwam, Ammar
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,