There are various reasons that are seen as the main causes of the Cold War and two events that continue to be discussed are the conferences at Yalta and Potsdam. Even though the war was quite imminent and something both the powers knew would ultimately happen due to a clash of ideologies, it was the two conferences that triggered the disagreements leading to the origins. The key players were World War II allies United Kingdom, United States and the Soviet Union.
The mood and tension surrounding the two conferences were very significant. The timing and setting were key as the second conference was held near the main debating point of Berlin and the atomic strike over Japan was being planned at the time of the conferences. At the same time, the Soviets had suffered more than 20 million casualties from World War II. This meant that both the USA and USSR were to treat the conferences as very important gatherings.
The first of the conferences was held in the resort of Yalta where Stalin, Roosevelt and Churchill discussed about post world war issues. The major decisions that were presented at Yalta were the setup of the Untied Nations and the role that the Soviets would play in it, division of Germany into four different zones, bringing Nazi and other war criminals to court, elections of provisional government in Poland and establishing a committee to decide on the reparations. The setup of a free people's Europe was based on helping countries maintain law and order, carry out emergency relief measures, set up