Answer:
The Byzantine Empire began when Roman emperor Constantine I decided to relocate the capital of the Roman Empire from Rome to ancient Greek colony Byzantium. With the decline of the Roman Empire in the West, began the rise of the Byzantine in the East. Byzantine Empire began with Greek-influenced culture and language. Byzantine empire arts were very much different from the Roman. Art reflected upon the orthodox Christianity, depicting religious subjects of Christ, Mary and Saints along with emperors and their queens. Hagia Sophia remains a perfect example of art and architecture.