Domino theory Domino theory The domino theory was a theory prominent from the 1950s to the 1980s that posited that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect. The domino theory was used by successive United States administrations during the Cold War to justify the need for American intervention around the world. U.S. President Dwight D. Eisenhower described the theory during an April 7, 1954, news conference, when referring to communism in Indochina: In 1945, the Soviet Union brought most of the countries of eastern Europe and Central
Pius XII, The Holocaust, and the Cold War Pius XII, The Holocaust, and the Cold War Pius XII, The Holocaust, and the Cold War is a 2008 book by historian Michael Phayer which makes use of documents that had been released under US President Bill Clinton's 1997 executive order declassifying wartime and postwar documents. In its introduction, the books says that new documents had been stored at the US National Archives and Holocaust Memorial Museum, including both diplomatic correspondence, American espionage, and even decryptions of German communications, new documents released by the Argentine government and the British Foreign Office, and the diary of Bishop Joseph Patrick Hurley, and