It was the use of the Atomic Bomb. Having won the war in Europe, the Americans
and their allies concentrated their efforts on the Far East. Japan refused to surrender despite the
on-going bombings and destruction of her army.
They also threatened to kill American POWs if they U.S. invaded Japan. Truman
ordered the use of the atomic bomb. It was
used in Hiroshima on August 6 then again on Nagasaki on August 9 resulting to
Japan’s surrender.
A strategy that President Truman and his advisers considered to end World War II was that they would throw and use the atomic bomb which they've developed. They knew it was a very drastic option but they also knew that it was an option that was necessary to use.
A directly stated consitutional requirement in the US constitution in Article 2 Section 3 is that the President must give to Congress recommendations regarding the State of the Union and recommend any actions that are considered essential and expedient.
