Answer:
There were numerous rebellions against the Umayyads, as well as splits within the Umayyad ranks, which notably included the rivalry between Yaman and Qays.
Explanation:
A major difference between the two dynasties lies in their attitude towards Muslims and non Muslims. ... Umayyad Muslims are referred to as Sunni Muslims while Abbasid Muslims are called the Shiites. • Abbasid had been content with inherited empire while Umayyad's were aggressive and espoused expansion militarily.
