Which sixth-century ruler developed a uniform code of law that applied to all residents of the Byzantine Empire?

- Diocletian

- Commodus

- Justinian

- Constantine

Justinian sixth-century ruler who developed a uniform code of law that applied to all residents of the Byzantine Empire

To add, Justinian I (traditionally known as Justinian the Great and also Saint Justinian the Great in the Eastern Orthodox Church, was a Byzantine (East Roman) emperor from 527 to 565.