Abu Hajal Muslim ibn Awsaja was a companion of what prophet who was the founder of islam, and who united Arabia into a single Muslim polity?
Abu Hajal Muslim ibn Awsaja Abu Hajal Muslim ibn Awsaja (Arabic: ابوحَجَل مسلم بن عوسجه الأسدي‎ ‎ ) was a companion of Islamic Prophet Muhammad. He assisted Muslim ibn Aqeel in Kufa. Then he joined Husayn ibn Ali army with his family. He was killed in battle of Karbala.
Muawiyah I Muawiyah I (Arabic: معاوية بن أبي سفيان‎ , "Muʿāwiyah ibn Abī Sufyān " ‎ ; 602 – 26 April 680) established the Umayyad dynasty of the caliphate, and was the second caliph from the Umayyad clan, the first being Uthman ibn Affan. During the first and second caliphates of Abu Bakr and Umar (Umar ibn al-Khattab), he fought with the Muslims against the Byzantines in Syria.