"The answer is Caliphate.The territory of a caliph is called a caliphate. Caliphate is an Islamic area which is believed to be the residence of the Caliph. Caliph is a person that is believed to be the religious successor of Prophet Mohammad."
Answer:
City officials were arrested and taken to places of confinement.
I'd say B is the correct answer. Both China and the Roman Empire were huge during their golden ages. Apparently the Chinese knew of the existence of the Romans and thought it was their counterpart. Like Yin and Yang. I think they never really met though. Chinese envoys managed to reach the black sea but didn't get any further.
I deviated from the actual question sorry^^ I think B is correct
