Kammala jumla mai zuwa: A ranar 15 ga Satumba, 1939, Stalin ya kulla yarjejeniyar tsagaita wuta tare da Japan, don ya fara aiki a rana mai zuwa (za a inganta shi zuwa yarjejeniyar rashin cin zarafi a watan Afrilu 1941). Washegari, 17 ga Satumba, sojojin Soviet sun mamaye Poland daga gabas. Kodayake wasu fadace-fadace sun ci gaba har zuwa ranar 5 ga Oktoba, sojojin biyu masu mamaye sun gudanar da akalla daya hadin gwiwa
Sojojin Jamus sun yi bikin tunawa da ranar 25 ga watan Satumba, kuma sun karfafa haɗin gwiwar da ba na soja ba tare da Yarjejeniyar Aminci, Hadin Kai da Demarcation na Jamus da Soviet a ranar 28 ga watan Satumba. An bayyana hadin gwiwar Jamus da Soviet a kan Poland a 1939 a matsayin co-belligerence.