Islam and antisemitism humiliating Mohammad. The Banu Qaynuqa were expelled from Medina in 624 AD. In March 624 AD, Muslims led by Muhammad defeated the Meccans of the Banu Quraish tribe in the Battle of Badr. Ibn Ishaq writes that a dispute broke out between the Muslims and the Banu Qaynuqa (the allies of the Khazraj tribe) soon afterwards. When a Muslim woman visited a jeweler's shop in the Qaynuqa marketplace, she was pestered to uncover her hair. The goldsmith, a Jew, pinned her clothing such that, upon getting up, she was stripped naked. A Muslim man coming upon the resulting commotion killed
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,