Truman gave the go ahead on July 14, 1945.
President Harry S. Truman
Harry Truman authorized the use of atomic bombs against Japan.
Truman authorized the bombings of Hiroshima an Nagasaki.
He ordered the atomic bombs dropped over Hiroshima and Nagasaki. This is how he showed the atomic bombs.
Truman
North Korea had no atomic bombs at the time of the Korean War. What Truman was concerned about was the Soviet atomic bombs and the high probability that Stalin would respond to our use of atomic bombs in that conflict by declaring full scale nuclear war on the US.
truman
Harry Truman
Harry S. Truman
Most think he was not wrong about dropping the atomic bombs.
Truman
Atomic Bombs