<span>King Arthur is a medieval, mythological figure
who was the head of the kingdom Camelot and the Knights of the Round
Table. It is not known if there was a real Arthur, though it is
believed he may have been a Roman-affiliated military leader who
successfully staved off a Saxon invasion during the 5th to 6th centuries</span>
Answer: B
Explanation: cause its conman sense....
Emperor Constantine made the religion, Christianity, a new, legal religion in the Roman Empire.