Cold War The cold war refers to the period of tension, between the western allies, made up of United States of America and Britain, and the Soviet Union( Gaddis 2). There is a division of when exactly the cold war started, with some part of historians arguing that it started towards the end of World War 1, and others believing that it started towards the end of World War 2. Still, both sets of historians will agree that this so called cold war, became concretely evident, after the world war 2. It is important to note that these two powers, the USA and USSR, fought as allies, to end the World War 2, and defeat the Nazi regime, led by the cruel Hitler