It was surrounded on three sides by water. The Byzantines put a chain across the city’s harbor to guard against seafaring intruders. Miles of walls, fortified by watchtowers and gates, made invasion by land or sea difficult
Conflict Between East and West
Byzantine Orthodox Church
Both groups were upset over the arrests of some of their members. Fighting broke out, spilled into the streets, and escalated into a full-scale rebellion.
To the Byzantines, Christianity was more than a religion. It was the very foundation of their empire. Most people attended church regularly. The Orthodox church service was the called Divine Liturgy.
The dispute over iconoclasm had caused a major split between the east and west. Despite future attempts to heal the division, the Eastern Orthodox Church and the Roman Catholic Church were now separate churches.