are convinced beyond all doubt that god is on their side. so they begin to return the christianity back to jerusalem. >> their lord, jesus christ had had his lands taken, and it was the crusaders' responsibility, therefore as his servants to come to his aid to restore those lands. >> the crusaders were extremely violent, they would attack people in their homes. there were mass rapes, killing of children, they would set fire to entire residential neighborhoods, it was horrible. >> they have succeeded in liberating the city of jerusalem from the hands of the muslims. >> and this for generations will be hailed and recognized. >> after 400 years as a muslim temple, the crusaders replaced