Rubuta ci gaba don wannan sakin layi - A watan Yuni na shekara ta 1940, Ƙasar Soviet ta ƙwace ƙasashen Estonia, Latvia, da Lithuania. Hakanan ya kwace yankunan Romania da ake jayayya na Bessarabia, Arewacin Bukovina, da Hertza
Ka yi haƙuri. Amma bayan da sojojin Jamus suka mamaye Tarayyar Soviet a Operation Barbarossa a watan Yuni na 1941 kuma suka yi yaƙi da Amurka a watan Disamba na 1941, Tarayyar Soviet da Allied Allies sun yi aiki tare don su yaƙi Jamus. Birtaniya ta sanya hannu kan wata yarjejeniya ta tarayya kuma Amurka ta yi yarjejeniyar da ba ta dace ba. A lokacin yakin, Amurka ta ba da Burtaniya, Tarayyar Soviet da sauran ƙasashe na Allied ta hanyar Shirin Ba da Lamuni. Duk da haka, Stalin ya kasance mai shakka sosai, kuma ya yi imanin cewa Birtaniya da Amirkawa sun yi makirci don tabbatar da cewa Soviets sun ɗauki nauyin yaki da Jamus. Bisa ga wannan ra'ayi, abokan tarayya na Yammacin duniya sun jinkirta bude wani gaba na biyu na Jamus don su shiga cikin minti na karshe kuma su tsara zaman lafiya. Don haka, ra'ayoyin Soviet game da Yammacin duniya sun bar tashin hankali da ƙiyayya tsakanin Allied Powers.