Answer:
Caesar Augustus, I think
Step-by-step explanation:
well, Emperor Nero is one of the worst emperors romon ever had and he did nothing in the benifit of rome.
Im not sure that Aurelius' personal opinions benefited Rome.
Emperor constantine is famous for letting the christones live in pease.
and caesar is the only one that would make sents for what you are asked to do.
hope this helps