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
Effects of the Cold War peacetime military-industrial complexes and large-scale military funding of science. Military expenditures by the US during the Cold War years were estimated to have been $8 trillion, while nearly 100,000 Americans lost their lives in the Korean War and Vietnam War. Although the loss of life among Soviet soldiers is difficult to estimate, as a share of their gross national product the financial cost for the Soviet Union was far higher than that of the United States. In addition to the loss of life by uniformed soldiers, millions died in the superpowers' proxy wars around the globe, most notably in Southeast