Mezue ahịrịokwu na-esonụ: Ọtụtụ ihe mere na ngwụsị afọ ndị 1940 gbanwere nkwụsị nke ndị agha United States. Nke 1948
mgbochi nke West Berlin site na Eastern bloc na ntiwapụ nke Agha Nzuzo mere ka United States tinye ndị agha bọmbụ B-29 nke SAC azụ na United Kingdom na West Germany. Mmeri ndị Kọmunist meriri n'agha obodo China n'afọ 1949 na ntiwapụ nke agha Korea n'afọ 1950 pụtara na United States ga-agbasawanye SAC iji lebara ihe egwu ndị a anya ma na Europe ma na Eshia.