sentences:  They made a final attempt to establish a bridgehead at the small island of Ruad off the coast of Tortosa, again in an attempt to coordinate military action with the Mongols, but the plan failed, and the Muslims responded by besieging the island.With the Fall of Ruad in 1302, the Crusaders lost their last foothold in the Holy Land.Modern historians debate whether an alliance between the Franks and Mongols would have been successful in shifting the balance of power in the region, and if it would have been a wise choice on the part of the Europeans.