Can war be just?

Surrender negotiations were already in place after Russia was slated to enter the Pacific Front. We took conditional surrender (please stop bombing our civilians.)
The world saw the bombs as a display of military supremacy, not a necessary tragedy, and is slated as one of the reasons for the Cold War.

>The world saw the bombs as a display of military supremacy, not a necessary tragedy

Citation needed.

I mean the firebombing of Tokyo killed roughly the same number of people as Hiroshima, so it's hard to argue that the A-Bomb was some kind of quantum leap in destruction. It was just more convenient to send one B-29 on a raid rather than thousands. If the Americans had to they could have cheerfully annihilated every Japanese city with conventional ordinance, and in fact that's basically what they had already done by 1945.

that just goes to show that it was completely unnecessary to drop the a bombs