For 10 points, name this controversy dealing with the right of kings to appoint bishops.
This policy question was the reason for the temporary imprisonment of Paschal II. The Synod of Rockingham came out against St. Anselm's position on this matter. It was settled in 1122 by the Concordat of Worms, and it was the reason that Gregory VII excommunicated Henry IV, prompting the trip to Canossa. For 10 points, name this controversy dealing with the right of kings to appoint bishops.
This policy question was the reason for the temporary imprisonment of Paschal II.
lay {investiture} controversy