sentences:  the Ansari chief 'Ubadah ibn al-Samit particularly played many significant roles during Muslim conquest of Egypt and Muslim conquest of Levant under the likes of Abu Ubaydah, Khalid ibn Walid, Amr ibn al-Aas, and Muawiyah
  
  In the year 24/645, during the caliphate of Uthman Ibn Affan, prominent Ansaris also held major positions like Al-Bara' ibn `Azib who was made governor of al-Ray (in Persia).He eventually retired to Kūfā and there he died in the year 71/690.During the Umayyad era the Ansar became somewhat of an opposing political faction of the regime.