 Finally, in 538 A.D., Belisarius, one of Justinian's generals routed the Ostrogoths, the last of the barbarian kingdoms, from the city of Rome and the bishop of Rome could begin establishing his universal civil authority.So, by the military intervention of the Eastern Roman Empire, the bishop of Rome became all-powerful throughout the area of the old Roman Empire.Like many reformation-era Protestant leaders, the writings of Adventist pioneer Ellen White speak against the Catholic Church as a fallen church and in preparation for a nefarious eschatological role as the antagonist against God's true church and that the Papacy is the Antichrist.