Answer:
over centuries, cultural, political, and religious differences brought the two parts of the old Roman Empire into conflict
Explanation:
The correct answer is C. Sassanid
They were the last Persian empire before it fell to Arabs and fully converted to Islam. After a series of political strife, a young King inherited the throne and was not capable of fighting off the vast and united Arab armies that were slowly making their way through Persia. Many artistic and cultural ideals of the Sassanids are steel seen today in the Islamic world.
Answer:
c should be answer if not b but go for c first
