How far do you agree that the Cold War was caused by an unnecessary fear and suspicion that each side had for the other?

Many historians are locked in debate on, who was responsible in starting the Cold War and which side has the true expansionist policies? One thing, although, that is readily agreed upon is that the Cold War officially began with the defeat of Germany and the consequence of a power vacuum in Central Europe. In February, 1945, the Yalta Conference took place and the participants were Churchill, Roosevelt and Stalin. By this early stage of the Cold …

…this from occurring. In accessing the necessity of suspicion and fear from both sides, it is relevant to consider American Historian, John Gaddis' view that the Cold War was an "inevitability". In other words, the suspicion from both superpowers was bound to happen and its justification is not as significant. After World War II, it would be proven that this world would be too small for Capitalism and Communism to live in a peaceful co-existence.