What is the importance of religion in Oedipus and the "Nun's Priest's Tale" in Canterbury Tales?

The importance of religion in the "Nun's Priest's Tale" in the Canterbury Tales was to give the citizens morals to help them discern between what's good and what's evil. Religion was not necessarily helpful to unite a town as a constitution might do; although, religion had that effectiveness if the people were willing for it. In Oedipus, the importance of religion was omnipresent from birth to death, as the people's gods held their fate. This …

…Religion in the two stories was to give people direction and purpose in life. The only difference was that with Christianity, a person could direct their own life with the assistance of God, while paganism showed the direction you had to take without insubordination. What separated Cecilia and her husband in the "Nun's Priest's Tale" was that they had faith and believed in their religion, while Oedipus challenged his beliefs and faith in his religion.