Which city was the capital of the western half of the Byzantine Empire? Who recaptured it from th Ostrogtohs?

Ithink the answer is false:

The  pharaoh  was at the top of that pyramid. in the level below were nobles, priests, and officials. they the  pharaoh  govern egypt. so did soldiers, who fought battles for their ruler, and scribes,  who kept records  for the government and the temples. i know this