Tomilovych L. Lands of Porosie at middle of XIII- middle of XVI centuries

The dissertation consists of investigation political, social, economic and ethnic development of Porosie in structure of Kiev Land during the period of XIII- the middle of XVI centuries. The investigation is based on the wide derivation foundation. The political status of this territory and its part in the history of Kiev Land and the hole Eastern Europe region has been defined. There was remarked that adjoined Geo-political position of Southern Kiev Lands defined specific features of its development and its military mode of life during the hole period of existence. The stages of historical development of Porosie in structure of Kiev Land were defined. The internal and external factors which influenced this development were analyzed. Some statements and estimates were revised, and the new interpretation of events and arguments was given.