Original sentence: Berlin was partitioned among the four Allies, with West Berlin being controlled by the Western allies and East Berlin by the Soviet Union.Relations between both German countries remained icy until the Western chancellor Willy Brandt launched a rapproachment with East Berlin and Moscow (Ostpolitik) in the 1970's.The war resulted in territorial losses and the expulsion of millions from Silesia, Prussia and Pomerania.This marked de facto the end of East Germany as a country.When the Soviet Union cut off supplies to West Berlin, Western forces airlifted food and supplies
Edited sentence: Berlin was partitioned among the four Allies, with West Berlin being controlled by the Western allies and East Berlin by the Soviets.In the 1970s, the left-extreme terrorist RAF murdered several high-profile Germans which worried the country very much.The war resulted in territorial losses and the brutal expulsion of millions from Eastern Germany.This marked the de facto end of East Germany as a country.Three million civilians died plus an even higher number of soldiers.When the Soviet cut off supplies to West Berlin, Western forces airlifted food and supplies