Answer:
Because of geographical location, as the center of Byzantine Empire was on the location of Ancient Greece, which allowed the Greek culture to influence the development of Byzantine Empire. That is why Byzantines started using Greek language instead of Latin and were even observed from people of the West more related to oriental civilizations than to them.
Step-by-step explanation:
Greek culture and civilization influenced the development of cultures on the soil of Roman Empire, which led to creation of modern European civilization. Still, Byzantines inherited the Greek culture, which influenced their religion, customs, language...