Why Were The Crusades Successful?

The Crusades were a Christian army fighting against the Muslims to gain the “Holy Land” (Jerusalem). The Crusades were referred as “Histories most successful failures “, because they were able to conquer Jerusalem (holy land) but weren’t able to keep it because the Muslims took their land right back. I agree that the Crusades were failures more than successors because of the fact that they failed to keep the “holy land” from the Muslims: when they spent so much time and effort trying to conquer it. Although the crusades were a failure they were also really successful because they were able to conquer the holy land in the first place and the crusades building fortified castles and conquering cities in the Middle East. The Crusades were mostly