 Nyorai kupfuurira kweiyi ndima - Asunungurwa muchitokisi muna July 1939, Saefkow akadzokera kubasa rezvematongerwe enyika risiri pamutemo. MuBerlin, pashure pokurwisa Soviet Unionmuna 1941, akavaka boka guru rokuramba reKPD, rainzi Utungamiri Hwokushanda hweKPD. Muna 1944, iye, Bernhard Bästlein naFranz Jacob vakatungamira Sangano reSaefkow-Jacob-Bästlein iro rakapokana nehondo muBerlin munitions plants, uye vakadaidza vanhu kuti vaite sabotage. 