A historian is examining religion's role in history. Which question might the historian ask if she were organizing her study by period?
a. Does Great Britain have a higher percentage of religious people than the United States?
b. How is the role of religion in North Korea different from what it is in South Korea?
c. How did the role of religion in Europe change between the postclassical and modern eras?
d. Which religion is practiced by the most people in Africa today?