Answer:
Popes help maintain spiritual unity in Europe
Explanation:
During the middle ages, society dominated by the Catholic Church in Europe. Several reforms introduced to protect the purity in Church. Popes became the head of the Catholic Church who maintains regulations regarding worshipping and practices. Pope Alexander III issue Canon Law, which consists of reforms and regulation in the Catholic Church. The Church was the focal point of life and touched every aspect of people's life, from birth until death.
