What was the difference between the East and the West after the fall of the Roman Empire?

The eastern Empire spoke Greek and worshipped under the Eastern Orthodox branch of the Christian church. Over time, the east thrived, while the west declined. In fact, after the western part of the Roman Empire fell, the eastern half continued to exist as the Byzantine Empire for hundreds of years.

Explanation:

The eastern Empire spoke Greek and worshipped under the Eastern Orthodox branch of the Christian church. Over time, the east thrived, while the west declined. In fact, after the western part of the Roman Empire fell, the eastern half continued to exist as the Byzantine Empire for hundreds of years.