How did Charlemagne help the Romans?

Answer 1

Charlemagne did not help the Romans. He was around some 300 years after the fall of the western part of the Roman Empire. He helped the pope, who made him emperor of the Romans. Charlemagne created his own empire, which historians call Carolingian Empire, but was given the title of emperor of the Romans to symbolise the independence of Western Europe and the papacy from the empire of the eastern Romans (also called Byzantines by historians). The eastern part of the Roman empire continued to exist for nearly 1,000 years after the fall of the western part of this empire. The eastern Roman emperors had been claiming of sovereignty over the city of Rome and the papacy.