Along with Ruthenians, these people would have been elevated to create a commonwealth of three nations in the unsuccessful Treaty of Hadiach (“HAHD-yutch”). A group of these people legendarily referred to Sultan Mehmed IV (-5[1])as “an attendant of Lucifer” in an insulting letter known (-5[1])as their “reply.” (10[1])An ataman of these people sacked (10[1])Kazan during a rebellion that occurred (-5[1])during Catherine the Great’s reign. Yemelyan Pugachev (-5[1])(“ye-MEAL-yan POO-ga-chev”) and Ivan Mazepa were leaders of these people, who lived in groups called hosts (-5[1])and chiefly lived near the Dnieper and Don rivers. For 10 points, (10[1])name these militaristic, nomadic horsemen that lived in Ukraine and Russia. (10[1])■END■ (10[3]0[1])