Why did King John surrender England to the pope in 1213?

King John surrendered England to Pope Innocent III in 1213 primarily as a strategic maneuver to consolidate his political position.12

Following a prolonged dispute over the appointment of Stephen Langton as archbishop of Canterbury, the Pope had placed England under an interdict and excommunicated John. By 1212, John faced mounting internal threats from his own baronage and sought to secure his power base.12

By reconciling with the church and surrendering his kingdom to the papacy—only to receive it back as a vassal—John effectively transformed the Pope from an adversary into a powerful ally. This move provided him with critical support for his planned military campaigns to recover his Continental lands and strengthened his hand against domestic opposition. While the act was viewed by some as a submission, it allowed John to resolve a dangerous hindrance to his rule at a relatively low cost in terms of actual concessions.12