Answer:
Option-(c): Is the best option to choose from the given five options.
Explanation:
The Concordat of Worms:
It was an agreement between the Henry IV and the pope. It was due to the conflicts between the two, as there was a conflict between them over the Church. As they had tensions over the power of church. And they eventually got to a point where they resolved the whole problem.
As they stipulated that lay rulers could no longer invest prelates with the symbols of their office.
