Original sentence: After the Tatar-Mongol invasion these territories become object of expansion of the Polish kingdom and the Lithuanian princedom.Cultural, language and religious break between the supreme and lowest layers of a society arised.For example, in first half of 14th century Kiev, Dniepr region, also the region between the rivers Pripyats and  West Dvinas are captured by Lithuania, and in 1352 the  Galich-Volyn princedom was divided by Poland and Lithuania.In 1569, according to Lublin Union, the majority of the Russian territories possessed by Lithuania, passed  to the Polish crown.Some territories in Dniepr region and Black Sea Coast for long years  lost Russian settled population and became so-called Wild Steppe, f.The combination of social,  language, religious and cultural oppression leads to to destructive popular uprisings of the middle of 17th century,  which the Polish-Lithuanian state could not recover from.The majority of these principalities have been ruined during the Tatar-Mongol invasion in the middle of 13th.The significant part of the territory incorporated into Russian Empire was a part of the medieval Kievan Rus, and after the disintegration of this united Russian state (in the middle of 12th.century) belonged to the Russian princedoms of Galich, Volhynia, Kiev, Polotsk, Lutsk, Terebovl, Turov-Pinsk etc.territory of the princedom of Pereyaslavl