Rubuta ci gaba don wannan sakin layi - Bayan mummunan ci gaba na farko, Wehrmacht ya sha wahala a karo na farko a yaki a Moscow. Jamus da kawayenta sun yi ƙoƙari a cikin 1942 don ci gaba zuwa kudu, zuwa Caucasus. Bayan watanni shida na gwagwarmaya, a Stalingrad sun sha wahala babbar nasara. A ƙarshen 1943, bayan yakin Kursk
A lokacin yakin duniya na biyu, Sojojin Soviet Red Army sun sami nasara tare da manyan nasarori, wanda ya haifar da ci gaba na dakarun Soviet a Gabashin Turai a 1944 da kuma Jamus a 1945, wanda ya ƙare da yakin Berlin. Yaƙin da aka yi wa USSR ya haifar da asarar rayuka (na farar hula da na soja), a kan sikelin da ya fi kowane ƙasashe a cikin yaƙin. Bayan karshen yakin a Turai da kuma bam din nukiliya na Amurka a Hiroshima, USSR ta shiga yaki da Japan. Tarayyar Soviet, a matsayin ɗaya daga cikin manyan masu nasara, ta sami ɗaya daga cikin kujerun dindindin a Kwamitin Tsaro na Majalisar Ɗinkin Duniya. Bayan yakin, yankin tasirin Soviet ya fadada don rufe yawancin Gabashin Turai, wanda aka tsara a cikin Yarjejeniyar Warsaw. Tarayyar Soviet ta zama ɗaya daga cikin manyan ƙasashe biyu na Cold War.