| A | B |
|---|
| Lay Investiture | When Church leadership is decided by lay leders |
| Simony | The practice of selling Church offices |
| Nepotism | the practice of passing positions of leadership to your own children or family |
| Anti-Pope | a person who claims to be pope |
| Excomminication | to be cut off from the communion of the Church |
| Crusade | A war waged by Christians to take lands back from Muslims control |
| Inquisition | The Church trials of people suspected of being heretics |
| Indulgence | a price paid for the removal of a penance |
| Knights Templar | A military order created to protect the Christian pilgrims going to the holy Land |
| Cluny | A town in France where monastic reforms took place |
| Albigensian | A gnostic Heresy that was the initial reason for the Inquisition |
| Carthusians | A religious monastic order started by St. Bruno |
| Cistercians | A religious monastic order that wore white robes |
| Feudalism | An economic, political and social system where peasants are given protection from a King or Lord in exchange for labor |
| Dictatus Papae | The papal decree that reasserted the authority and autonomy of the pope |
| Concordant at Worms | Ended the matter of Lay Investiture |
