The main goal of the crusade was considered to be holy. It was fought in the name of the Holy Land. The crusaders wanted to defeat the Muslims and take back the Holy Land of Jerusalem. read more
Thus there were two main stated goals to the Crusades. The first goal was to reclaim the Holy Land (Jerusalem, in particular) from Islamic control, making it safe for Christian pilgrims. The second goal was to come to the aid of the Byzantine Emperor, a fellow Christian ruler. read more