WORLD CIVILIZATION

Detailed explanation-1: -Byzantium took on the name of Kōnstantinoupolis ("city of Constantine", Constantinople) after its refoundation under Roman emperor Constantine I, who transferred the capital of the Roman Empire to Byzantium in 330 and designated his new capital officially as Nova Roma ( ) ‘New Rome’.

Detailed explanation-2: -It was the Emperor Constantine in 330 CE, however, who moved the capital of the Roman Empire to Byzantium (Constantinople), in the Eastern Roman Empire.

Detailed explanation-3: -Answer and Explanation: Constantine moved his capital to Byzantium (later named Constantinople ) in 330 AD because the eastern part of the Roman Empire was becoming more important and he wanted a capital that was closer to the center.

Detailed explanation-4: -The founder of the Byzantine Empire and its first emperor, Constantine the Great, moved the capital of the Roman Empire to the city of Byzantium in 330 CE, and renamed it Constantinople. Constantine the Great also legalized Christianity, which had previously been persecuted in the Roman Empire.