This Sunday's class will examine the development of the doctrine in the Roman Church, with specific attention given to the papacy. This takes place with conflict with the East, and the creation of the Holy Roman Empire. Low points include the "Rule of the Harlots" as immoral leadership took control of the papacy for over a century. Parallel to these developments, Islam is founded and wages jihad against Christendom, conquering much of the East as well as Spain.