Pedzisa mashoko anotevera: Muna June 1940, Soviet Union yakatora Estonia, Latvia, neLithuania nechisimba. Yakagamuchirawo nharaunda dzeRomania dzakakanganiswa dze
Bessarabia, Northern Bukovina, uye Hertza. Asi pashure pokunge Hondo yeGermany yapinda muSoviet Union muOperation Barbarossa muna June 1941 ndokuparura hondo kuUnited States muna December 1941, Soviet Union namasimba akabatanidzwa akashanda pamwe chete kurwisa Germany. Britain yakasaina sungano yapamutemo uye United States yakaita chibvumirano chisina kurongwa. Munguva yehondo, United States yakapa Britain, Soviet Union nedzimwe nyika dzakabatana kupfurikidza neLend-Lease Program yayo. Zvisinei, Stalin akaramba asina chokwadi zvikuru, uye aidavira kuti vaBritain navaAmerica vakanga varangana kuti vave nechokwadi chokuti vaSoviet ndivo vaizotambura zvikuru mukurwisana neGermany. Maererano nemaonero aya, maAllies okuMadokero akanga adzokorora nemaune kuvhura hondo yechipiri yokurwisana neGermany kuitira kuti apindire muminiti yokupedzisira ndokuumba rugare. Nokudaro, mirangariro yeSoviet yokuMadokero yakasiya mutsetse wakasimba weshungu noruvengo pakati pamasimba eSangano.