Round 11: Tossup 5

Note to moderator: Read the answerline carefully. Historical name required. This region’s ruler Tekish deposed the last Seljuk sultan. The sack of this region’s then-largest city of Gurganj redirected its main river into the Uzboy. The destruction (-5[1])of this region’s Afrighid capital, Kath, was described by its native historian, al-Biruni. This region’s last Anushtegin ruler was Jalal ad-Din, who lost the Battle (-5[1])of the Indus; his father, nicknamed the “second Alexander,” had died after fleeing to a Caspian island. (-5[1])A khanate whose endonym referred to this region was based at Itchan Kala, the center of Khiva. The mathematician (-5[1])who authored the Al-Jabr is named for this region (-5[1])centered (10[1])on the Amu Darya delta. An empire named (10[1])for this region was invaded after Mohammed II (10[1])ordered the murder of a caravan and ensuing emissary. For 10 points, what region names the empire whose defeat completed Genghis Khan’s conquest of Central Asia? ■END■ (10[4]0[1])

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