Final answer:
The motivations for Western Christians to go on the Third Crusade were primarily religious zeal and the desire to reclaim Jerusalem from Muslim control. Many knights saw it as an opportunity for adventure, land, and titles.
Step-by-step explanation:
The motivations for Western Christians to go on the Third Crusade were primarily religious zeal and the desire to reclaim Jerusalem from Muslim control. Many knights saw it as an opportunity for adventure, land, and titles. The Church also promised forgiveness of sins to those who participated. Some commoners, women, the sick, and the elderly also joined the crusade, hoping to gain land or experience the holy city of Jerusalem.