- Across 1) The term refers to the action taken by Catholic Church leaders of officially excluding someone from participation in the sacraments and other religious services. 3) This is the name of the empire that ruled much of central Europe during the Middle Ages. 6) This group of Catholic bishops is responsible for electing a new Pope. 7) This refers to the conflict between the Holy Roman Emperor Henry IV and Pope Gregory VII over who would control appointments of bishops. 8) This Pope ruled 1073 to 1085, during which time he clashed with Holy Roman Emperor Henry IV over the supremacy of the Catholic Church. - Down 2) This is a monotheistic religion centered on the life and teachings of Jesus of Nazareth. 4) This title is given to the person who is the Bishop of Rome and the head of the Catholic Church. 5) He was the Holy Roman Emperor from 1084 to 1105, suffering through the Investiture Controversy with Pope Gregory VII during that time.