How does the call of the crusades demonstrate the power of the pope and the cathollic church?

The call of the Crusades exemplifies the power of the pope and the Catholic Church by showcasing their ability to mobilize large numbers of people for a religious cause. The pope, as the spiritual leader, wielded significant influence over both secular rulers and the laity, compelling them to take up arms in the name of Christianity. The Crusades also reinforced the Church's authority in matters of faith and morality, as participation was framed as a pious duty, promising spiritual rewards. This initiative not only strengthened the Church's position within Europe but also highlighted its role in shaping political and social dynamics of the time.