The greeks.
Please correct me if I'm wrong!! :) I'd be happy to fix it!!!
Because the east had fallen into what was called the " dark ages " many barbarian tribes ran a muck in the eastern empire after the fall of the "roman wall" holding the north barbarians from entering eastern Rome, many from the east tired to feel west to the Byzantine empire, many also did not make it.
Answer: B is correct (Edict of Milan).
Explanation: Christianity became state religion. No more Roman pagan cults or cults imported from other parts of Empire. They did not disappear immediately, but Christianity became a state religion, i.e. Christians were no more persecuted and executed.
