上海交通大学通识核心课程“历史视野下的美国文化”结业论文 we now possess a martial weapon which can turn the direction of both history and civilization.5" The successful development of the atomic bomb had bestowed the US a trump card against the Soviet Union,allowing the US to achieve its ambition before the Soviet Union developed its own nuclear weapon.Hoover,president of the US claimed,"So far,we,and only we America have possessed the atomic bomb,we can impose our policies to the world.7"Taking the atomic bomb as its backup force,the United State showed his ambition of dominating the world without any concealing.Thus,the atomic bomb had become the accelerator of the outbreak of the Cold War. Thirdly,the concern of international security also contributed to the outbreak of the Cold War. Both these countries,the US and the Soviet Union were lack of a sense of safety after the Second World War.What made the anxious was not the military invasion of the Soviet Union,but the post-war economic condition and the tendency of psychological politics would lead to the Soviet's decision to exert its influence outside the span of the traditional security benefit.Also, the US government believed that time is beneficial to the Soviet,and it would soon take the place of the previous Germany and Japan.Besides,the revolutionary nationalists would seek inspiration and supports from the Soviet Union,which would attract some countries into the path of the Soviet.What they also worried about was that the Communists in France,Italy and many other countries might take the regime legally or even illegally,which would strengthen the power of the Soviet Union to a large scale.In all,to the perspectives of the decision maker in D.C,this kind of international situation and the domestic policies of other countries made the post-war world filled with threat and danger. And the Soviet Union was no exception.With the end of the Second World War,the Soviet Union carried out a series of defensive expansion in the Eastern Europe,the Near and Middle East,and the Far East out of the security concern based on the history and reality.From the historical point of view,the Soviet Union had suffered from the large scale of invasion from the West for several times.Especially during the period between the First World War and the Second World War,the West Europe had launched invasions to this country twice,and even the worse, the Second World War had brought this country a tremendous damage.In order to maintain the security of the country,Stalin tried hard to expand the Eastern boundary,meanwhile assisting the Soviet-friendly countries in Eastern Europe,making the previously dangerous allay become a safe boundary. However,the decision-maker in D.C.thought this series of actions of the Soviet Union was, beyond any doubt,out of the needs of expansion.When Truman came to power,he claimed that the Soviet Union had totally betrayed the promise of executing free election in the East Europe, and that the US would adopt tougher measures to force the Soviet Union to cooperate under the wills of the East.Least than two weeks after Truman's being in the White House,the Soviet Foreign Minister,Vycheslav Molotov addressed at the Los Angeles Conference,execute your promises in the treaty,or we won't negotiate with you.3 Thus,severe mistakes occurred as the both sides trying to pursuit their own benefit,which got worse and worse as time moved by. In all,the origin of the outbreak of the Cold War was complicated.Some scholars even 6论冷战根源，周倩，剑南文学：经典阅读，2012(3) 7论冷战根源，周倩，剑南文学：经典阅读，2012(3) 8浅析冷战形成的原因，刘红伟，陕西社会科学论丛，第三期，2011 3上海交通大学通识核心课程“历史视野下的美国文化”结业论文 3 we now possess a martial weapon which can turn the direction of both history and civilization.6” The successful development of the atomic bomb had bestowed the US a trump card against the Soviet Union, allowing the US to achieve its ambition before the Soviet Union developed its own nuclear weapon. Hoover, president of the US claimed, “So far, we, and only we America have possessed the atomic bomb, we can impose our policies to the world.7” Taking the atomic bomb as its backup force, the United State showed his ambition of dominating the world without any concealing. Thus, the atomic bomb had become the accelerator of the outbreak of the Cold War. Thirdly, the concern of international security also contributed to the outbreak of the Cold War. Both these countries, the US and the Soviet Union were lack of a sense of safety after the Second World War. What made the anxious was not the military invasion of the Soviet Union, but the post-war economic condition and the tendency of psychological politics would lead to the Soviet’s decision to exert its influence outside the span of the traditional security benefit. Also, the US government believed that time is beneficial to the Soviet, and it would soon take the place of the previous Germany and Japan. Besides, the revolutionary nationalists would seek inspiration and supports from the Soviet Union, which would attract some countries into the path of the Soviet. What they also worried about was that the Communists in France, Italy and many other countries might take the regime legally or even illegally, which would strengthen the power of the Soviet Union to a large scale. In all, to the perspectives of the decision maker in D.C, this kind of international situation and the domestic policies of other countries made the post-war world filled with threat and danger. And the Soviet Union was no exception. With the end of the Second World War, the Soviet Union carried out a series of defensive expansion in the Eastern Europe, the Near and Middle East, and the Far East out of the security concern based on the history and reality. From the historical point of view, the Soviet Union had suffered from the large scale of invasion from the West for several times. Especially during the period between the First World War and the Second World War, the West Europe had launched invasions to this country twice, and even the worse, the Second World War had brought this country a tremendous damage. In order to maintain the security of the country, Stalin tried hard to expand the Eastern boundary, meanwhile assisting the Soviet-friendly countries in Eastern Europe, making the previously dangerous allay become a safe boundary. However, the decision-maker in D.C. thought this series of actions of the Soviet Union was, beyond any doubt, out of the needs of expansion. When Truman came to power, he claimed that the Soviet Union had totally betrayed the promise of executing free election in the East Europe, and that the US would adopt tougher measures to force the Soviet Union to cooperate under the wills of the East. Least than two weeks after Truman’s being in the White House, the Soviet Foreign Minister, Vycheslav Molotov addressed at the Los Angeles Conference, execute your promises in the treaty, or we won’t negotiate with you.8 Thus, severe mistakes occurred as the both sides trying to pursuit their own benefit, which got worse and worse as time moved by. In all, the origin of the outbreak of the Cold War was complicated. Some scholars even 6 论冷战根源， 周倩， 剑南文学：经典阅读， 2012（3） 7 论冷战根源， 周倩， 剑南文学：经典阅读， 2012（3） 8 浅析冷战形成的原因， 刘红伟， 陕西社会科学论丛，第三期，2011