The Iranian ruler Gaykhātu’s attempt to copy this polity’s currency led to bazaar riots in Baṣra. This polity employed the corrupt finance minister Ahmad Fanākatī. The Ispah rebellion occurred (10[1])in this polity’s port of Zaytūn, (10[1])which is the origin of the English word “satin.” Merchants working in this polity included the sèmù (“SUH-moo”) caste and a man who accompanied the princess Kököchin to Persia and described this dynasty’s jiāochāo money and yam postal system. This dynasty (10[1])controlled the Silk Road (-5[1])trade between the Battle of Yámén (“YAH-mun”) and the Red Turban Rebellion. Accounts of this dynasty’s capitals at Shàngdū and Khanbaliq (“KHAN-bah-leeg”) were written by Rustichello (“roo-stee-KELL-oh”) da Pisa on behalf of a Venetian merchant. For 10 points, name this Chinese dynasty visited by Marco Polo during the reign of Kublai Khan. ■END■ (10[1]0[2])