sentences:  He indirectly suggested to King Louis IX of France the possibility of surrendering Jerusalem to Louis, in return for assistance in conquering Egypt.But Louis, who had already lost an army in Egypt during the Seventh Crusade and was still trying to free his imprisoned soldiers, was not willing yet to make such a deal.Louis did, however, send his royal armorer to Damascus to purchase materials to make crossbows, and in 1254, An-Nasir signed a truce with the Crusaders.