 Complete the following phrase:  Ginczanka left Warsaw in June 1939 to spend her summer vacations as was her habit every year with her grandmother in Równe Wołyńskie. Here she was caught by the outbreak of the Second World War occasioned by the Invasion of Poland by Nazi Germany on Friday, 1 September 1939, and in reaction to this news decided to stay at Równe, a town which, being located on the Eastern Borderlands of Poland, was relatively sheltered from the hostilities of war. This circumstance changed dramatically just two weeks later with the Soviet Unions 