ameenyoussef2 ameenyoussef2 03-09-2021 History contestada Why was the crowning of Charlemagne by Pope Leo III significant? A) It was held on Christmas Day, a high holiday. B) It united Western Europe for a time as the Holy Roman Empire. C) It was seen as an approval of Charlemagne’s leadership. D) It was the first time the Church had taken part in a king’s coronation.