Kelsipooh Kelsipooh 20-11-2017 History contestada 3. How did Charlemagne most effectively convert many pagans to Christianity? A by requiring church attendance B by reviving Latin learning C through missionaries D through papal mandate 4. What was a major effect of pope Leo III crowning Charlemagne emperor of the romans? A decline of Latin learning throughout Europe B future collaboration between popes and emperors C unification of the eastern and western Roman Empire D revival of the ideal of a unified Christian community