Mezue ahịrịokwu na-esonụ: N'afọ 1939, Soviet Union enweghị ihe ịga nke ọma
nwara mwakpo nke Finland, mgbe nke ahụ gasịrị, ndị otu ahụ banyere nkwekọrịta udo nke na-enye ndị Soviet Union mpaghara ọwụwa anyanwụ nke Karelia (10% nke ókèala Finnish), na Karelo-Finnish Soviet Socialist Republic guzobere site na ijikọta ókèala ndị ahụ na KASSR. Mgbe June 1940 Soviet Ultimatum na-achọ Bessarabia, Bukovina, na mpaghara Hertza site na Romania, ndị Soviet batara na mpaghara ndị a, Romania kwetara ihe ndị Soviet chọrọ na ndị Soviet weghaara ókèala ahụ.