When constantine rebuilt byzantium, it was called "new rome" because constantine (5 points) became the new ruler of the roman church built it to resemble "old rome" combined the western and eastern roman empires discarded old roman traditions and began new ones

The correct answer is ‘became the new ruler of the Roman Church’. Constantine wanted to move the capital and centre of the Roman Empire from Rome to a new city, known as Constantinople, because he had become disillusioned with Rome’s suitability as a location for the Empire’s capital.