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 in this polity’s port of Zaytūn, 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 (-5[1])dynasty’s jiāochāo money and yam postal system. This dynasty controlled the Silk Road 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 (-5[1])dynasty visited by Marco Polo during (10[2])the reign of Kublai Khan. ■END■ (10[1])