Religious motives: the concept of ‘just war’; the impact of the papal…

Welcome to this A-Level Pearson Edexcel History breakdown on the reasons for the crusades between 1095 and 1192. In this video we focus on the religious motives that made crusading a powerful ideal: just war, penance and remission of sins, the plenary indulgence, Jerusalem and the Holy Sepulchre, papal support, and preaching. We will connect each idea to the exam question of why people took the cross, while remembering that political, economic and social factors also played a part. Let's map the core religious motives. Just war theory said violence could be morally justified for a righteous cause under legitimate authority. The papal reform movement deepened penance and remission of sins, so armed pilgrimage could satisfy penance. Urban II offered a plenary indulgence, guaranteeing full remission of the temporal punishment due to sin. A central aim was to free Jerusalem and restore access to the Holy Sepulchre. Papal support gave spiritual authority and institutional backing, while preachers such as Bernard of Clairvaux spread enthusiasm, notably for the Second Crusade. Turning to our core study notes: just war held that violence could be morally justified when waged for a righteous cause under legitimate authority. The papal reform movement deepened ideas of penance and remission of sins, making armed pilgrimage a means of satisfying penance. When Urban II launched the First Crusade in 1095, he offered a plenary indulgence, guaranteeing full remission of the temporal punishment due to sin for those who took the cross. A central aim was to free Jerusalem from Muslim control and restore Christian access to the Holy Sepulchre. Here is the sequence. First, the papal reform movement deepens ideas of penance and remission of sins. Second, armed pilgrimage is framed as a means of satisfying penance. Third, Urban II launches the First Crusade in 1095 and calls for it at Clermont. Fourth, the papacy offers a plenary indulgence, guaranteeing full remission of the temporal punishment due to sin. Fifth, Jerusalem and the Holy Sepulchre focus Christian devotion. Finally, preachers such as Bernard of Clairvaux spread enthusiasm, notably for the Second Crusade, by framing the expedition as a devotional act. Let's work through an exam-style explanation. Start with just war: legitimate authority, just cause and right intention made warfare morally defensible for Christians. Then explain the plenary indulgence precisely: it guaranteed full remission of the temporal punishment due to sin for those who took the cross; it was not automatic forgiveness for any future sin. Link this to the aim of freeing Jerusalem and restoring access to the Holy Sepulchre. Add papal support, including Urban II's call at Clermont in 1095. Finally, use preaching, such as Bernard of Clairvaux for the Second Crusade, to show how enthusiasm was mobilised. Keep in mind that political, economic and social factors also played a part. Watch out for these pitfalls. Do not treat the plenary indulgence as automatic forgiveness for any future sin: it remitted the temporal punishment due for sins already confessed and absolved. Do not assume religious motives were the only cause, because political, economic and social factors also played a part. Do not confuse penance with indulgence: penance involves contrition and satisfaction, while an indulgence is the Church's grant of remission from temporal punishment. Do not describe Bernard of Clairvaux as a pope or military leader; he was a Cistercian abbot and influential preacher who supported the Second Crusade. Use precise terms throughout. To recap: just war depended on legitimate authority, just cause and right intention. Papal reform deepened penance and remission of sins, and armed pilgrimage became a means of satisfying penance. The plenary indulgence guaranteed full remission of the temporal punishment due to sin. Jerusalem and the Holy Sepulchre focused Christian devotion. Papal support authorised and promoted crusades, including Urban II's call at Clermont in 1095, while preachers such as Bernard of Clairvaux mobilised enthusiasm, notably for the Second Crusade. In your answers, explain how these religious ideas persuaded people, and link them to wider factors rather than listing motives.