Battle of Badr the Umayyad Caliphate. In later days, the battle of Badr became so significant that Ibn Ishaq included a complete name-by-name roster of the Muslim army in his biography of Muhammad. In many hadiths, veterans who fought at Badr are identified as such as a formality, and they may have even received a stipend in later years. The death of the last of the Badr veterans occurred during the First Islamic civil war. As Paul K. Davis sums up, "Mohammed's victory confirmed his authority as leader of Islam; by impressing local tribes that joined him, the expansion of Islam began." The
Battle of the Trench many alliances against the Muslim expansion. Nevertheless, he was unable to prevent the Meccan one. As they had in the battles of Badr and Uhud, the Muslim army again used strategic methods against their opponents (at Badr, the Muslims surrounded the wells, but did not deprive their opponents of water since Ali did not want to follow the footsteps of the Meccan army; at the Battle of Uhud, Muslims made strategic use of the hills). In this battle they dug a trench to render the enemy cavalry ineffective. The reason for this battle was to defend Medina from attack, after