Pedzisa mutsara unotevera: Soviet Union yakapinda muPoland yokumabvazuva musi waSeptember 17, 1939, mavhiki maviri nehafu pashure pokunge Nazi Germany yapinda muPoland musi waSeptember 1. Kurwisa kunosvika kumativi maviri kwakasarudzwa muMutemo wakavanzika waMolotov-Ribbentrop wakasainwa neUSSR neGermany muna August 1939. Sezvo chikamu chikuru chemauto ePoland chakanga chakanangana kumadokero kwenyika kurwisa maGerman, maSoviet akasangana nekupokana kushoma uye mauto avo akakurumidza kuenda kumadokero kusvika vasvika kuBrześć musi waGunyana 22, uko vakasangana neuto reGerman raipinda uye vakabata
kufora kwokukunda pamwe chete.