Buuxi weedha soo socota: Bishii Agoosto 1939, waxaa la saxiixay Heshiiskii Molotov-Ribbentrop iyo borotokoolkiisa qarsoodiga ah ee lagu daray, kaas oo Nazi Jarmalku u aqoonsaday Bessarabia inay ku jirto saameynta Soviet, taas oo keentay in kii dambe uu si firfircoon u soo nooleeyo sheegashadiisa gobolka. Bishii Juun 28, 1940, Midowgi Sofiyeeti wuxuu soo saaray warbixin.
ultimatum loogu talagalay Romania oo codsanaysa in la wareejiyo Bessarabia iyo Waqooyiga Bukovina, taas oo Romania ay u hoggaansameyso maalinta xigta. Wax yar ka dib, Jamhuuriyadda Bulshada ee Midowga Soofiyeeti ee Moldova (Moldovan SSR, MSSR) ayaa la aasaasay, oo ka kooban qiyaastii 65% Bessarabia, iyo 50% ee hadda la kala diray ee Moldavian ASSR (maanta Transnistria). Jarmalkii asal ahaan kasoo jeeday ayaa ka tagay 1940kii.