This paper highlights the reason of who was to blame for the cold war. Was it really the soviets fault or did the USA have some input. there are three different types of opinions from the traditionalist who believed it was the soviets fault to the revisionist who believe it was America to the post- revisionist who believe it was both of the super powers. It answers the questions such as why their alliance broke down, how the USA reacted to certain scenarios. One of the main factors was the clash of the two different ideologies and how America believe that it was their duty to contain communism to the East.