The Japanese were running out of resources. They had been fighting for 4 years and were running out of military resources due to the effective sea blockade. Furthermore, the atomic bomb was created only for defensive use during the Manhattan Project. If Truman was using it against Japan as an attack, he was ignorant of the true purpose of such a powerful weapon. It was meant to be a deterrent, to make Germany or any other enemy think twice before using such a weapon against the United States. Furthermore, the United States could have used one of the atomic bombs as a demonstration bomb to scare Japan by threatening them by telling them that the United States has a powerful weapon capable of wiping out their city as a whole. Some say racism was included in this decision. At that time, the Japanese were considered inhumane and