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 as (10[1])“an attendant of Lucifer” in an insulting letter known as their (10[1])“reply.” (-5[1])An ataman of these people sacked Kazan during a rebellion that occurred during Catherine the Great’s reign. Yemelyan (-5[1])Pugachev (“ye-MEAL-yan POO-ga-chev”) and Ivan Mazepa were leaders (-5[2])of these people, who lived in groups called hosts and chiefly lived near the Dnieper and Don rivers. (-5[1])For (10[1])10 points, name these militaristic, nomadic horsemen that lived in Ukraine and Russia. (0[1])■END■ (10[3]0[1])