Question: What philanthropic Roman emperor ruled during the time of the group of ten cities on the eastern frontier of the Roman Empire that were centers of Greek and Roman culture in an otherwise Semitic-speaking region?
Sentence (from "Byzantine Empire"): Both "Byzantine Empire" and "Eastern Roman Empire" are historiographical terms created after the end of the realm; its citizens continued to refer to their empire as the "Roman Empire" (Greek: Βασιλεία τῶν Ῥωμαίων , tr.
Relevant evidence: No