Answer:
Umayyad & Abbasid
Explanation:
After the death of Muhammad, a conflict occurred between the previous followers to determine who can be the rightful successor.
During this time period, Umayyad and Abbasid empire rose to power.
The Umayyad generally favor to spread Islam through conquests. The Abbasid On the other hands, generally favor to spread Islam through intellectual and cultural development.
