I believe Harry Truman was one of our top 3-5 presidents in American history, but certainly in the top ten. Because of how he managed post-World War II especially in Europe and put America in position to successfully win the Cold War. With the buildup of the national security state to deal with Russia, as well as the NATO. Harry Truman was the man not many people respected until they saw him in action. I don’t know of an American politician, especially a great American politician that was more underestimated than Harry Truman. A fairly unknown U.S. Senator who had only been a Senator for ten-years, where all of his Congressional service was served, becomes Vice President of the United States in 1945. Who didn’t have much of a professional resume at all before he was fifty-years old, not just becomes President of the United States, but achieves that within days of becoming Vice President. And becomes one of the best President’s in American history.