 Ramba uchiverenga ndima ino - Pashure pokupinda kweGermany muSoviet Union Operation Barbarossa muna June 1941, Sikorski akatanga kutaurirana nemumiriri weSoviet muLondon, Ivan Maisky, kuti adzorere ukama hwezvematongerwe enyika pakati pePoland neSoviet Union, hwakanga hwadimburwa pashure pokupinda kweSoviet muPoland muna September 1939. Muna December wegore iroro, Sikorski akaenda kuMoscow nenhume dzediplomatic. Hurumende yePoland yakasvika pachibvumirano neSoviet Union Sikorski-Maisky Pact yaAugust 17, 1941, yakasimbiswa naJoseph Stalin muna December wegore iroro. Stalin akabvuma kuregedza kupatsanurwa kwePoland neSoviet neGermany muna September 1939, ndokuzivisa Chibvumirano cheRusso-German Molotov-Ribbentrop chaAugust 1939risina maturo uye risina maturo, uye kusunungura makumi ezviuru avaPolish vasungwa vehondo vakachengetwa mumisasa yeSoviet. Maererano nechibvumirano pakati pehurumende yePoland yakanga iri muutapwa naStalin, vaSoviet vakapa ruregerero kuvagari vakawanda vePoland, kubva kwavari uto idzva Polish II Corps rakaumbwa pasi paGeneral Władysław Anders uye gare gare vakaendeswa kuMiddle East, uko Britain yakatarisana nokushomeka kwakanyanya kwemauto ehondo. Zvisinei, kwaive kune zviuru zvevamwe vakuru vakuru vePoland, zvaizoramba zvisingazivikanwe kwemamwe makore maviri, uye izvi zvaizorema zvakanyanya pahukama hwePoland neSoviet uye pane zvakange zvaitika kuna Sikorski. 