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