👉 A crusade is a military campaign or war initiated by one or more countries to fight against another country. It typically involves several stages, including preparing for the war, organizing troops and resources, forming alliances, engaging in battles, and eventually winning the war or capturing territory. Crusades are often associated with religious or political conflicts, such as the Crusades of the 14th century between Christians and Muslims, which were fought to reclaim Jerusalem from Muslim control. In this context, "crus