Answer:
Option: A.It divided the Roman Empire into the East and the West.
Step-by-step explanation:
Constantinople was the capital city of the Roman Empire until the Byzantium or Eastern Roman Empire came in existence by the foundation of the city in 324 AD. Constantinople was center of religion, political, and artistic life for the Byzantine empire. Hagia Sophia is one of the architectural monuments of the Byzantine period. Constantinople remained with the Byzantine until it was conquered by the Turks in 1453.