Answer:
European Christians to regain the Holy Land from the Muslims
Step-by-step explanation:
The "crusades" were, indeed, military expeditions managed by the European Christians. Its main purpose was to recover the "Holy Land," the area situated between the Mediterranean Sea and the Jordan River. It was under the Islamic rule that was brought about by Muslim expansion.
Many participants volunteered because this was also viewed as a way of removing one's sin and renewing spiritual relationship with God.