<prompt> Bhala okuqhubekayo kwalesi sigaba - Ibhuloho elikhulu kunawo wonke laliwumbhuloho womoya waseBerlin  <response>: , eyathatha isikhathi kusuka ngoJuni 1948 kuya kuSepthemba 1949, kwakuwumsebenzi waseMelika, waseBrithani nowaseFrance owawuhloselwe ukubhuntshisa ukuvinjelwa kwedolobha laseBerlin yiSoviet Union. 