Original sentence: However Rome failed to conquer Parthia or ([Persia]) as had the Greco-Macedonians.Yes, Rome conquered massive swathes of territory in the east, in particular Mesopotamuia and held it for centuries
Edited sentence: However, Rome failed to conquer Parthia or (Persia) as had the Greco-Macedonians bfore them.Yes and No, Rome conquered massive swathes of territory in the east in Mesopotamuia and held it for centuries