 Ramba uchiverenga ndima ino - Semhedzisiro yeMolotov-Ribbentrop Chibvumirano, musi waGunyana 17, 1939, matunhu eKresy akabatanidzwa neSoviet Union ona Kupinda kweSoviet muPoland, uye chikamu chakakosha chevanhu vechiPolish ve Kresy vakaendeswa kune dzimwe nzvimbo dzeSoviet Union kusanganisira Siberia neKazakhstan. Muganhu mutsva pakati peGermany yeNazi neSoviet Union wakagadzwazve neGerman-Soviet Frontier Treaty, rakasainwa musi waSeptember 29, 1939. Mushure mesarudzo dzePeoples Assemblies dzeWestern Ukraine neWestern Belarus, hurumende dzemakomonisiti dzeWestern Ukraine neWestern Belarus dzakaumbwa uye pakarepo vakazivisa chinangwa chavo chekujoinha nyika dzavo kuSoviet Union onawo Matunhu ePoland akabatanidzwa neSoviet Union. Mushure mekupinda kweGerman muUSSR, chikamu chekumaodzanyemba kwakadziva kumabvazuva kwe Kresy chakabatanidzwa muGreat Germanys General Government, nepo vamwe vese vakabatanidzwa neReichskommissariats Ostland neUkraine. Muna 19431944, zvikamu zveUkraine Insurgent Army, nerubatsiro rwevarimi veUkraine, vakaita kuparadzwa kukuru kwevaPoland vaigara kumaodzanyemba kwakadziva kumabvazuva kwe Kresy ona Kuurayiwa kwevaPoland muWołyń. 