Answer:
Harry Truman.
Step-by-step explanation:
President Harry Truman (1884-1972) became the 33rd president of the USA after the death of president Franklin Delano Roosevelt. He left a significant political and historic legacy. Truman made the decision to throw the atomic bomb on Japan, he led the efforts of Europe´s reconstruction, he was the first Cold War US leader. He promoted the doctrine of Soviet containment and got the US into the Korean War.