What lead to the downfall of the Umayyads?

Although this dynasty doomed to downfall after a centaury but the factors behind its downfall was present at the time of its beginning and politics of the alter caliphs and their corruption increased it. The main cause of the downfall of the Umayyads dynasty was the one man leadership instead of Islamic caliphate.

Explanation:

i believe your answer is d)

i think the answer is : the declaration of rights and grievances

hope i

-lavira : )