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
Islam and war This Muslim victory over polytheists showed "demonstration of divine guidance and intervention on behalf of Muslims, even when outnumbered." Other early battles included battles in Uhud (625), Khandaq (627), Mecca (630) and Hunayn (630). These battles, especially Uhud and Khandaq, were unsuccessful in comparison to the Battle of Badr. In relating this battle, the Qu'ran states that Allah sent an "unseen army of angels" that helped the Muslims defeat the Meccans. Islamic concepts concerning war refer to what have been accepted in Sharia (Islamic law) and Fiqh (Islamic jurisprudence) by "Ulama" (Islamic scholars) as the correct Islamic manner which is