Which of the following represents a difference between how emperors were chosen during the roman empire and how leaders were chosen in western europe during the middle ages?
a. in medieval times, people believed that rulers derived their authority from god.
b. during the roman empire, emperors were chosen purely for religious reasons.
c. in medieval times, rulers were subject to the wills and demands of their subjects.
d. during the roman empire, emperors needed the recognition of the church to become legitimate.