Constantine chose Constantinople to be around 800 miles of east Rome because it was easy to defend. It was surrounded by water, with miles of walls fortified by watchtowers and gates. This made invasion difficult. This is a picture of soldiers defending Constantinople.
Conflict between East and West
Blues and Greens generally fought against one another, but this one day it escalated to a whole new level. Both groups were upset over the arrests of some of their members. This lead to a full-scale rebellion.
Christianity became the foundation of the Byzantines. The church and the empire were closely related. The emperor was viewed as a representation of God and Jesus.
The pope believed that a woman could not be a leader of any empire because that would make them weak. The pope decided that Charlemagne the new emperor of Rome.