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.
Sa`d ibn Abi Waqqas Saʿd ibn Abī Waqqās (Arabic: سعد بن أبي وقاص‎ ‎ ) was of the companions of the Islamic prophet. Sa'd was the seventeenth person to embrace Islam at the age of seventeen. He is mainly known for his commandership in the conquest of Persia in 636, governorship over it, and diplomatic sojourns to China in 651.