Mezue ahịrịokwu na-esonụ: Ná ngwụsị February 1946, "Long Telegram" nke George F. Kennan si Moscow gaa Washington nyere aka ịkọwa usoro siri ike nke gọọmentị US megide ndị Soviet, nke ga-aghọ ihe ndabere maka atụmatụ US maka Soviet Union maka oge Agha Nzuzo. Gọọmentị Truman nabatara ozi telegram ahụ n'ihi nkwa Stalin mebiri banyere Europe na Iran. Mgbe agha nke abụọ nke ụwa nke Anglo-Soviet wakporo Iran, ndị agha Red Army nọ n'ebe ugwu na ndị Britain nọ na ndịda. United States na Britain jiri Iran nye ndị Soviet Union ihe, ndị Allies kwekwara ịhapụ Iran n'ime ọnwa isii mgbe ịkwụsị agha. Otú ọ dị, mgbe oge a kara aka ruru, ndị Soviet nọgidere na Iran n'okpuru mkpuchi nke ndị mmadụ Republic of Azerbaijan na
Ndị Kurd Republic nke Mahabad. N'oge na-adịghị anya mgbe nke ahụ gasịrị, na March 5, onye bụbu praịm minista Britain bụ́ Winston Churchill kwuru okwu ya a ma ama nke a kpọrọ "Iron Curtain" na Fulton, Missouri. Okwu ahụ kpọrọ òkù maka njikọ aka nke ndị Britain na America megide ndị Soviet, bụ́ ndị o boro ebubo iguzobe "ákwà mgbochi ígwè" nke na-ekewa Europe site na "Stettin dị na Baltic ruo Trieste dị n'Adriatic".