
Originally Posted by
mannyamador
Yes read on the Crusades. You will find that they were mainly DEFENSIVE in nature.
Even before the First Crusade, Muslim troops had already been attacking Christian communities and kingdoms. The Seljukian Turks threatened Christian pilgrims, and the Byzantine Empire. This had been going on for decades. Then the Muslim armies invaded the Christian kingdoms in the Holy Land. They conquered Jerusalem and Antioch, Syria and Asia Minor.
Both sides, as was common in those times, engaged in atrocities and even fought among each other. But this does not change the fact that the Crusades were brought about because of Muslim aggression.