sentences:  On , the Mongol leader Hulagu sent through John the Hungarian a new letter to King Louis IX of France, again offering an alliance.The letter explained that previously, the Mongols had been under the impression that the pope was the leader of the Christians, but now they realized that the true power rested with the French monarchy.The letter mentioned Hulagu's intention to capture Jerusalem for the benefit of the pope, and asked for Louis to send a fleet against Egypt.