<Tab/>The Crusade is believed to be the start of the relentless rivalry between the Muslims and Christians. The crusades were expeditions undertake in fulfillment of a solemn vow to deliver the Holy Places from Mohammedan Tyranny but later developed into territorial wars. The term crusader means to "mark with cross" which suites their purpose of redeeming their land.
<Tab/>Before the crusades, relationship between Muslim and Christians are not hostile and were mainly commercial and intellectual. They trade slaves and northern products such as honey, amber, and furs. Muslim wanted slaves but Christian teaching forbid Christians to enslave other Christians and therefore enslave pagans. …
