What was the situation of the Church under the Theodosian Emperors who supported Orthodoxy versus the Arian Heresy? Dr. John Rao discusses here the building of an orthodox Roman Christendom and the roles of the "Patriarchs" of Rome, Alexandria, Antioch and Constantinople. Taken from the series: "From Augustine and Chrysostom to the Papal-Frankish Alliance Christianity in the Early Middle Ages (395-752) - 2006 VonHildebrand Institute"