This religion makes heavy use of the Prayer of Saint Ephrem, and the sanctuary and the nave are separated by the iconostasis in its churches. The symbol of this religion depicts a vertical line intersected by two horizontal lines and one at an angle. The original use of the Hagia Sophia was as a church for this religion. This branch of Christianity was excommunicated for rejecting Pope Leo IX, which lead to the Great Schism. For 10 points, name this branch of Christianity led by the Patriarch of Constantinople, which is dominant in Greece and Russia.
This religion makes heavy use of the Prayer of Saint Ephrem, and the sanctuary and the nave are separated by the iconostasis in its churches. The symbol of this religion depicts a vertical line intersected by two horizontal lines and one at an angle. The original use of the Hagia Sophia was as a church for this religion. This branch of Christianity was excommunicated for rejecting Pope Leo IX, which lead to the Great Schism. For 10 points, name this branch of Christianity led by the Patriarch of Constantinople, which is dominant in Greece and Russia.
This religion makes heavy use of the Prayer of Saint Ephrem, and the sanctuary and the nave are separated by the iconostasis in its churches.