Rubuta ci gaba don wannan sakin layi - Jerin abubuwan da ke damun
a cikin yankin Soviet tsakanin 1945 da 1948 ya haifar da tuhumar cewa Jam'iyyar Kwaminis ta Jamus tana cikin haɗarin zama kayan aikin Soviet manufofin waje, kuma yayin da matakan goyon baya ga magajinsa a yankin Soviet yana da wuyar tantancewa a zahiri, a cikin yankunan Amurka, Burtaniya da Faransa, raguwar matakan goyon baya yana nuna rashin jin daɗi game da shi. A takaici, Bertha Thalheimer ta bar Jam'iyyar Kwaminis (sake) a shekarar 1948. Ta shiga sabuwar kungiyar wacce ta kasance a fannoni da yawa wacce ta tsira daga tsohuwar KPO. Kungiyar ta dauki ra'ayinta na siyasa na duniya daga rubuce-rubucen tsarin KPO, ɗan'uwan Bertha, August Thalheimer wanda ke mutuwa a Cuba a wannan lokacin. A cikin ƙungiyar ƙungiyoyin ƙungiyoyi na yankuna waɗanda suka zama, bayan Mayu 1949, Jamhuriyar Tarayyar Jamus (Jamus ta Yamma), ƙungiyar ta inganta ingantacciyar hanyar adawa da Stalinist na gurguzu. Daga 1952 Bertha Thalheimer ya ɗauki alhakin jaridar Arbeiterpolitik.