Cika wannan jumla:
Yaƙin ya ƙare a watan Mayu 1945 kuma an saki mahaifinsa daga wani lokaci a matsayin fursunonin Amurka a shekarar 1946. Iyalin suka ƙaura zuwa Neustrelitz, wani ƙaramin gari da ke arewacin yankin da a lokacin Soviet ta mallaka. Popp dattijo ya taimaka wajen kafa reshen Neustrelitz na &lt;a href="Socialist%20Unity%20Party%20of%20Germany"&gt;Socialist Unity Party ("Sozialistische Einheitspartei Deutschlands" / SED) &lt;/a&gt;, wanda aka kafa a ƙarƙashin yanayi mai rikitarwa a yankin Soviet a watan Afrilu 1946. A wannan lokacin dangin sun ba da mafaka a asirce ga wani dan gwagwarmayar SPD wanda aka sake shi daga sansanin fursuna kuma yanzu yana fuskantar tsarewar da hukumomin Soviet suka yi a cikin yanayin tsarkakewar Stalin kan 'yan gwagwarmayar da ba' yan gurguzu ba. Hakan bai yi kyau ba sam. Dukkanin 'yan gwagwarmayar SPD da mahaifin Popp sun kama su da hukumomin Soviet. Bayan da aka saki mahaifinsa daga kurkuku, a cikin 1950 iyalin suka sake komawa, wannan lokacin zuwa abin da aka sani da West Berlin, kamar yadda rabuwa na soja na birnin ya kara nunawa ta hanyar gudanarwa, siyasa, da kuma, daga baya, rarrabuwa. A shekara ta 1956 mahaifin Dieter Popp ya mutu. A Yammacin Jamus da Yammacin Berlin tsohuwar Jam'iyyar Kwaminis ba a haɗa ta da SED ba, amma ta zama mafi ƙarancin ra'ayi, wanda duka tsarin siyasa na Yammacin Jamus da yawan jama'a gabaɗaya ba komai bane face wakili ga manufofin waje na Tarayyar Soviet. A watan Agusta 1956 Kotun Tsarin Mulki ta Jamus ta Yamma ta haramta Jam'iyyar Kwaminis. Popp, wanda yanzu ya kai shekara 18, bai fahimci dalilin da ya sa "a yamma aka hana Jam'iyyar Kwaminis kuma aka sake tsananta wa 'yan Kwaminis ba".