The expression can be defined as a possibility of direct conflict in an armed context. The fact of existing as possible powers is a fundamental atomic bomb so that a direct war can be carried out as a war against the enemy and, perhaps, much of the planet. An international power dispute was then devised in which each side takes advantage of every opportunity to expand its dominion and influence throughout the world. In order to unite militarily the aligned countries of the West, the North Atlantic Treaty Organization (NATO). The countries aligned with the USSR, such as East Germany, Bulgaria, Hungary, Poland, Czechoslovakia and Rumania were organized, on May 14, 1955, in the Warsaw Pact. The two organizations sought to ensure mutual protection