Original sentence: After the Tatar-Mongol invasion these territories become object of expansion of the Polish kingdom and the Lithuanian princedom.After the beginning of the revolution in Russia, the Polish forces restore independence of Poland and decided to annex all territories  that were parts of the Polish-Lithuanian state in 1569-1772.Cultural, language and religious break between the supreme and lowest layers of a society arised.During the First world war Austro-Hungarian authorities undertake reprisals against Russia-oriented people of the Western Ukraine  and the Polish left-nationalist movement led by Pilsudski got the support of the  Central powers for struggle against Russia.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.In many territories incorporated into Russian empire in 1772-1995, the domination of the Polish aristocra was kept, in the territories incorporated into Austro-Hungarian empire, the domination of the Polish aristocracy has been added with active planting of German language and culture.Some territories in Dniepr region and Black Sea Coast for long years  lost Russian settled population and became so-called Wild Steppe, f.The Serfdom and Catholicism extended in these territories.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 local aristocracy incorporated into Polish aristocracy.The majority of these principalities have been ruined during the Tatar-Mongol invasion in the middle of 13th.The territory, where this conflict broke out, 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