Banu Qurayza after his victory over the Meccans in the Battle of Badr, Banu Qaynuqa threatened Muhammad's political position and assaulted a Muslim woman which led to their expulsion from Medina for breaking the peace treaty of Constitution of Medina. The Qurayza remained passive during the whole Qaynuqa affair, apparently because the Qaynuqa were historically allied with the Khazraj, while the Qurayza were the allies of the Aws. Soon afterwards, Muhammad came into conflict with the Banu Nadir. He had one of the Banu Nadir's chiefs, the poet Ka'b ibn al-Ashraf, assassinated and after the Battle of Uhud accused the tribe of
Battle of Uhud situation in Medina. He and his party then left Medina, burning down two houses and laying waste to some fields in fulfillment of his vow. Further skirmishes between the Meccans and the Muslims would occur thereafter. The reason for the battle was to retaliate against the Muslims for the Battle of Badr The following year on 10 December 624, with Abu Sufyan at the helm, the Meccans—anxious to avenge their defeat at Badr—raised another force numbering 3,000 and set out for the Muslim base in Medina. Rather than attacking Medina itself, which was populated by numerous strongholds that would have