Which Of The Following Best Explains The Significance Of The Nazi-Soviet Non-Aggression Pact Of 1939?. On 1 september 1939, germany invaded poland from the west. Within a few days, germany began conducting massacres of polish and jewish civilians and pows, which took place in over 30 towns and villages in the first month of the german occupation.

The luftwaffe also took part by strafing fleeing civilian refugees on roads and by carrying out a bombing campaign. Within a few days, germany began conducting massacres of polish and jewish civilians and pows, which took place in over 30 towns and villages in the first month of the german occupation. Because of the pact, hitler felt he had secured germany's border with the soviet union.