When the city of Constantinople was was at its high points it was a very rich city as it connected the east and the west, and profited mainly from trade.
Conflict Between East and West
How much money you make today?
After the rebellion that took place Justinian had everything rebuilt and added a bunch of public works to the city. He also wanted to revise the old laws that were old and didn't make sense, and came up with the Justinian systematic body of law.
In the Byzantine Empire the Orthodox church was linked with the government and played a roll in the governmental decisions.
The east and the west parts of Byzantine were very differed in the fact of rich and poor and religious beliefs. It started with the fight over Iconoclasm (using icons to worship god), then went to new rulers who would fight over the rain, and then went as far as splitting apart.