UNIFICATION OF THE COSSACK LAW AS A TREND IN THE ACTIVITY OF THE GOVERNMENT AND THE CENTRALIZED STATE APPARATUS IN THE 19TH AND THE FIRST QUARTER OF THE 20TH CENTURY Erokhin Igor Urievich, PhD in history. <...> Place of employment: Croydon College, London, U.K. E-mail: eiu21@ya.ru Annotation: The article touches upon the formation of a unified legal space with regard to the Cossack communities in the period of consolidation of the capitalistic relations in Russia. <...> Scientific analysis and synthesis and interdisciplinary research represent the methodological instruments of this study. <...> The study allows drawing important conclusions on the state, centralized and systematic character of the processes related to the transformation of the Cossack ethnos to the Cossack class and, at ЭhО ЬaЦО ЭiЦО, ШЧ ЭhО ПХОбibiХiЭв ШП ЭhО pШХiМв ШП ЭhО ЭЬar’Ь government in that regard. <...> В качестве методологического инструментария применены методы научного анализа и синтеза, междисциплинарный метод исследования. <...> Исследование позволяет сделать важные выводы о государственном, централизованном и планомерном характере процессов превращения казачьего этноса в казачье сословие. <...>