Answer:
Egyptian Monarchs are buried in it and they are thombs
They had kept greek n roman culture alive for a 1,000 years after the fall of the roman empire in the west. which had preserved this cultural legacy until it was taken up in the west during the renaissance.
Because most don’t have it
I'm pretty sure the answer is D "Only Roman citizens were allowed to fish and swim in it" although there is a possibilty of it being B because it was controlled by the Roman Empire.