It was another religion. it would make conflicts much like there is today. which I guess you could say did pass on to today. monarchs at the time normally made it a law to all follow the same religion, however, as it grew, these rules dwindled more and more (sometimes). bit when they didn't, there was plenty of hate between groups.
tjis state is UK Good day
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After the end of World War II, the Soviet Union kept most of the territories it occupied in 1939, while territories with an area of 21,275 square kilometers with 1.5 million inhabitants were returned to communist-controlled Poland, notably the areas near Białystok and Przemyśl.
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