Dee ihe na-aga n'ihu maka paragraf a - Ụgbọelu ụgbọelu kachasị ukwuu bụ ụgbọelu Berlin
, nke were site na June 1948 ruo Septemba 1949, bụ ọrụ ndị America, Britain na France bu n'obi imebi mgbochi nke obodo Berlin site na Soviet Union.