Hashemite–Umayyad rivalry demoralized, and ended in a Muslim victory. From that day onwards, it is said that the rivalry between the two clans developed into a severe case of tribal animosity. Muhammad had ordered that those Hashimites who were fighting in the side of the Meccans at Badr, including his uncle Abbas ibn Abdul-Muttalib were not to be killed. Reacting to this, Abu Hudhayfa ibn 'Utba, a Muslim belonging to Banu Umayya, and a son and brother respectively of the Meccan warriors killed in the duels, remarked: "Shall we kill our fathers, brothers and children, and leave al-Abbas? By Allah! If I
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