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
Events leading to the Falklands War the spread of communism, along with the certainty that Britain could handle the matter on its own, may have influenced the US to take a position of non-interference. During the Cold War, with the performance of forces being watched closely by the Soviet Union, it was considered preferable for the UK to handle without assistance a conflict within its capabilities. American non-interference was vital to the US-British relationship. Ascension Island, a British possession, was vital to the long term supply of the Task Force South; however, the airbase stationed on it was run and operated by the US. The American