The correct answer to this open question is the following.
Although there are no options attached we can say the following.
The Roman Empire was so large that it covered Europe, North Africa, and parts of Asia. The large empire was hard to rule. What did the emperor do to solve this problem?
The Roman Emperor decided to split the empire into two large portions: the Western Roman Empire and the Eastern Roman Empire. The eastern Roman Empire ended up being the Byzantine Empire a survived approximately 1000 years after the fall of the Western Roman Empire.
The ruler that divided Rome in order to bring stability to the empire was Diocletian.
He split the Roman Empire in two, naming his son-in-law, ruler of the West. His name was Maximilian and later changed his mane to Marcus Aurelius Valerio.
