Cika wannan jumla: A watan Yunin 1948, duk hanyoyin jirgin kasa da hanyoyi da ke zuwa Berlin ta Yamma sun kasance
An toshe, kuma ba a ba wa 'yan Berlin ta Gabas izinin yin hijira ba. Duk da haka, sama da Jamusawa 1,000 na Gabas suna tserewa zuwa Berlin ta Yamma a kowace rana ta 1960, wanda ya haifar da matsin lamba ga tattalin arzikin Gabashin Jamus daga biyan bashin yaƙi da ake bin Tarayyar Soviet, lalata masana'antu da yawa, da kuma rashin taimako daga Shirin Marshall. A watan Agusta 1961, Gwamnatin Jamus ta Gabas ta yi ƙoƙarin dakatar da ƙauracewar jama'a ta hanyar rufe Berlin ta Yamma a cikin Berlin Wall. Yana da haɗari sosai ga mazauna da suke gudu su ƙetare domin an horar da sojoji masu makamai su harbi baƙi ba bisa doka ba.