Pedzisa mutsara unotevera: Pana September 17 Soviet Union pakupedzisira yakapinda munharaunda dzePoland idzo dzakanga dzapiwa kwairi nechibvumirano chakavanzika chechibvumirano chokusarwisa kubva kumabvazuva. Sezvikonzero zvokururamisa zviito zvavo, vaSoviet vakataura kuparara kweRepublic yechipiri yePoland uye vakataura kuti vakanga vachiedza kubatsira vanhu veBelarus neUkraine. Kupinda kweSoviet kunowanzoonekwa somuuyo wakananga wechibvumirano chacho, kunyange zvazvo chikoro chokudzokorora chichiti izvi zvakanga zvisiri izvo uye kuti chisarudzo cheSoviet chakagamuchirwa mavhiki mashomanene gare gare. Chiito cheSoviet chakarambwa neBritain neFrance, asi havana kupindira. Mukutsinhana kwenharaunda dzePoland dzakatorwa mukuwirirana nemitemo yeprotocol, kare musi wa17 September Red Army neWehrmacht vakabata
kuratidzira kwemauto kwakabatana muBrest; kubatwa kweguta racho kwakabva kwaendeswa neGermany kumasoja eSoviet. Mukurwisana kwakatevera neuto rechipiri rePoland, Soviet Union yakatora nzvimbo dzaienderana nenzvimbo dzayo dzekufarira, sekutsanangurwa kwazvakaitwa muchibvumirano chakavanzika chekuwedzera kune Chibvumirano cheMolotov-Ribbentrop.