Original sentence: According to one argument, the purpose of expelling Germans from areas now belonging to other countries was to invalidate German territorial claims to the land.Although the German government's official estimate of deaths due to the expulsions stood at 2.2 million for several decades, recent analyses have led some historians to conclude that the actual number of deaths attributable to the expulsions was actually much lower - in the range of 500,000 to 1.1 million.The purported objective was to prevent a repetition of what happened in the Sudetenland where the Nazis based territorial claims based upon the large number of ethnic Germans living there
Edited sentence: According to one argument, the purpose of expelling Germans from areas now annexed by other countries was to invalidate German territorial claims to the land.Although most historians estimate of deaths due to the expulsions stood at 2.2 million for several decades, some historians recently try to conclude that the actual number of deaths attributable to the expulsions was actually much lower - in the range of 500,000 to 1.1 million.Hence, Poles and Czechs didn't behave and act better than German Nazis.The purported objective was to prevent a repetition of what happened in the Sudetenland where legitimate territorial claims based upon the large number of ethnic Germans forced to live in a new created Czechoslovakian state had led to the separation of this territory