Why did the Concordat of Worms matter to the Holy Roman Empire?

The Concordat of Worms (1122) was a landmark compromise that ended the first phase of the Investiture Controversy, a protracted struggle between the Holy Roman Empire and the papacy over the control of church offices.12

For the Empire, the agreement was significant because it resolved the conflict over the monarch’s traditional prerogative to install bishops and abbots. The concordat established a clear distinction between the spiritual authority of a prelate and his role as a landed vassal of the crown. Under the terms:1

• Election and Investiture: Bishops and abbots were to be freely elected by the clergy, though the emperor could intervene in contested elections.12
• Dual Authority: The emperor relinquished the right to invest prelates with the symbols of spiritual office (the staff and ring). Instead, he invested them with the regalia—the lands and secular powers associated with their office—using a sceptre.12
• Political Impact: By requiring prelates to perform homage for their temporalities, the emperor maintained a degree of influence, but the settlement ultimately weakened the monarchy, as the influence of secular and ecclesiastical princes grew to dominate the future of the empire.12