I think that the answer is, "It is the guardian of two of Islam's most sacred sites". This is because Medina and Mecca are located there, and they've very important sites in the Islamic religion.
Answer:
All of the above
Explanation:
With growth of cities all of the above can happen.
Answer:
there were several important cities that came into being as centers of trade and religion, such as Mecca, Medina (Yathrib), Karbala, and Damascus.
Explanation: