The Soviet Union invaded Eastern Poland on September 17, its path cleared by the lack of British and French military activity against the Nazis in Western Poland and a desire to build a cordon against German military strength west of the Soviet Union's national border.
The Soviet Union invaded Eastern Poland on September 17, its path cleared by the lack of British in Western Poland and a desire. This was to build a cordon against German military strength west of the Soviet Union's national border. The Soviet Union invaded Eastern Poland on September 17, its path cleared by French military activity against the Nazis in Western Poland and a desire. This was to build a cordon against German military strength west of the Soviet Union's national border.