Form of board in the ideology and practice of the ukrainian national statehood in the era of cossacks

The place of the form of government in the ideology and practice of the Ukrainian national state creation in the Cossack era of national history is explored. It is argued that in Ukraine with the Cossacks, the birth of a republican form of government, which developed within the framework of the Zaporozhian Sich and the registered Cossack army, is primarily associated with it. It is noted that with the formation of the Cossack-Hetman State in the result of the National Revolution of the middle of the XVII century.