What did the Emperor of Rome do to settle the issue of who would become the next emperor?

The first answer is simple: hereditary rule. For most of this period, emperors were not chosen on the basis of their ability or honesty, but simply because they were born in the right family.

hereditary rule.  emperors were not chosen on the basis of their ability or honesty,most of the time but simply because they were born in the right family. the great leader, Augustus, had a tyrant Caligula.

Explanation: hope you found this helpful found off google and put it in my own words