Empire changed into unique Christian Orthodoxy (Latin, Coptic, Armenian, and Persian) from Greek and Christian culture.
Step-by-step explanation:
After the fall of Roman Empire, the East part of the Roman Empire survived as the Byzantine Empire. They used to think themselves as Romans, but there was a huge change in culture of the empire.
The Roman used to follow Greek and Christian culture, but the Byzantine Empire was influenced by Latin, Coptic, Armenian, and Persian cultures.
Slowly, it was influenced by Islamic cultures. Byzantine society was very religious with specific values in high admiration, respect and traditional hierarchies.