In 330, Constantine moved the capital of the Roman Empire from Rome to Constantinople.
Constantine I, which was the Roman emperor from 306-337 CE, was famous for the his conversion to Christianity in 312 CE and his subsequent Christianization of the Roman Empire.
Because of the Fall of Rome In 330 C.E, the emperor Constantine took a decisive step that changed the future of Rome by moving his capital 850 miles to the east to the ancient city of Byzantium. He renamed the city New Rome and later, it was called Constantinople.
Hence, the emperor Constantine moved the capital of the Roman Empire from Rome to Constantinople.
Therefore, the Option B is correct.
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