sentences:  The letter reiterated their ancestor Hulagu's promise that the Ilkhans would give Jerusalem to the Franks in exchange for help against the Mamluks.That year, the Mongols again attempted to invade Syria, appearing in great strength (about 80,000) together with the Armenians.But they were again defeated at Homs on , and at the decisive Battle of Shaqhab, south of Damascus, on .