Whakakihia te rerenga e whai ake nei: Ka kitea te hiranga o Ōshima mo Hitler i te mea i muri i te mutunga o te Pact Anti-Comintern, te US Ambassador i Japan, Joseph Grew, i whakatau ko te whakaaetanga te hua o te mahi a Ōshima, me te kore whai wāhi o te Japanese Ministry of Foreign Affairs. I te tohe a te kawanatanga Nazi, ka hoki ia ki Berlin hei karere i te Hui-tanguru 1941, ka noho tonu ki taua tuunga tae noa ki te
te hekenga o Tiamana i Mei 1945. I whakatapua e ia ana mahi ki te whakapiri i nga hononga i waenga i nga whenua e rua. Kei roto hoki i tēnei ko te mahi tahi hōia i te rohe o te Moana Inia (i roto i te ahua o te whawhai kaipuke kaipuke kaipuke kaipuke). He tino whakapono ia ki te ariā Nazi na te mea i tuhituhi te kairipoata o Amerika a William L. Shirer, i roto i "The Rise and Fall of the Third Reich", ko Ōshima he "Nazis ake i nga Nazis".