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Theodosius decides to give his younger son Honorius the entire prefecture of ilriycum including Greece while giving arcadius just the prefecture of the east. He does this while telling his son he'll be a good emperor and that he will have many challenges but he will triumph over them all because he is his son. This heartwarming act causes Honorius to work hard and to grow up to be one of the greatest emperors ever. How does this change things?
Scenario 2: Honorius still stays lazy and incompetent