 Nyorera kupfuurira kweiyi ndima - Vhidhiyo yepamutemo yenziyo inoratidza bhendi ichiita pachikuva chakasanganiswa nemifananidzo yakasiyana siyana kubva kuzviitiko zvematongerwo enyika zvenguva iyoyo senge kudonha kweRusvingo rweBerlin, uye zvidimbu zvidiki zvemashoko ekupararaweSoviet Union uye hurukuro dzevatungamiriri veAmerica neveSoviet. 