According to the official U.S. standpoint. According to others Japan was already on the verge of collapse - supply chains broken, morale very low and all their

According to the official U.S. standpoint. According to others Japan was already on the verge of collapse - supply chains broken, morale very low and all their allies were surrendering. Its very much possible the Japan would have surrendered a few months later anyway if the US does keeps up the sea blockade and does a few more normal bombing runs. NOTHING justifies killing 200.000 civilians, its a war crime.