The chapter of the Chinese history where we could fine a discussion of Kunlai Khan and Marco Polo is Mongol Rule of the Yuan Dynasty, because Kunlai Khan founded the Yuan Dynasty (From 1271 until 1368), and years after 1271, Marco Polo became in server of Emperor Kunlai Khan in China for several years, So because of that, in the chapter of Chinese history "the Mongol rule of the Yuan Dynasty" really it could find a discussion of Kunlai Khan and Marco Polo.
