President eisenhower believed in the domino theory as it applied to world politics, which held that

President Eisenhower believed in the domino theory as it applied to world politics, which held that if a country entered the Communist sphere, it would drag others from its area towards that same ideology.

Explanation:

This theory arose during the Cold War before the observation of several events that seemed to corroborate it. Before and during the Second World War there was a contagion of ideologies in Europe. On their own initiative, such as Hungary or Romania, which adopted pro-fascist or pro-Nazi governments, or by force, such as Vichy France, Norway, Spain or the Netherlands. Another example was the communist ideology that extended Russia (shortly after renamed the Soviet Union) to annex countries that had been part of the Russian Empire as Ukraine, Belarus or the Baltic Republics during World War II.

relations between the soviet union and the united states were driven by a complex interplay of ideological, political, and economic factors, which led to shifts between cautious cooperation and often bitter superpower rivalry over the years. the distinct differences in the political systems of the two countries often prevented them from reaching a mutual understanding on key policy issues and even, as in the case of the cuban missile crisis, brought them to the brink of war.

the united states government was initially hostile to the soviet leaders for taking russia out of world war i and was opposed to a state ideologically based on communism. although the united states embarked on a famine relief program in the soviet union in the early 1920s and american businessmen established commercial ties there during the period of the new economic policy (1921–29), the two countries did not establish diplomatic relations until 1933. by that time, the totalitarian nature of joseph stalin's regime presented an insurmountable obstacle to friendly relations with the west. although world war ii brought the two countries into alliance, based on the common aim of defeating nazi germany, the soviet union's aggressive, antidemocratic policy toward eastern europe had created tensions even before the war ended.