Question

what are the causes for the decline of ummayadi dyansty​

Answer 1

Explanation:

=>Due to assassination of Prophet's grandson at the hands of an Umayyad ruler, majority of Muslims disliked the rule of Umayyads. The Shia and Abbasids used it as propaganda against Umayyads. This later proved to be an important reason for the fall of Umayyad dynasty.

Answer 2

Answer :-

Due to assassination of Prophet's grandson at the hands of an Umayyad ruler, majority of Muslims disliked the rule of Umayyads. The Shia and Abbasids used it as propaganda against Umayyads. This later proved to be an important reason for the fall of Umayyad dynasty.