The chapter describe the Rome’s Three Heirs, from 500-950. At first, the Justinian modify the roman law and created a textbook for legal Principe named the Institute. Indeed, Muhammad was the founder of Islam and ensured that the Kaaba were Islam holy shrine. The Islam formed a worship for cultural norm. Furthermore, the Merovingian’s established Christianity in Gaul. In addition, the Monasticism gave women freedom and more control over their selves for example, body and mind. Moreover, the Pope Gregory I was the first bishop to become a role for the papacy in northwestern Europe and created a Latin Church. Even more, Charles Martel was a person who converted a Muslim force and central Germany to Christianity. Not only this, Charlemagne conquered