 Complete the following phrase:  In 1768, led by Zaporozhian Cossack Maksym Zalizniak and leader of the Uman Cossack paramilitary group Ivan Gonta, the peasants were initially successful in conquering much of the Kiev and Bracław Voivodeships, as well as large chunks of Volhynia and Podolia. In captured territories the nobility, Ukrainian Catholics, Jesuits and above all the Jews, were murdered en masse see 