Actually, the patriarch at constantinople had the dominant authority at the early christendom. There's a very informative youtube video about the schism: https

Actually, the patriarch at constantinople had the dominant authority at the early christendom. There's a very informative youtube video about the schism: https://www.youtube.com/watch?v=a6rWf0k8d78 https://www.youtube.com/watch?v=a6rWf0k8d78