Since then, they have limited war to insurgencies, rebel groups, and other mostly internal conflicts.
You think North Korea (or China for that matter) would've stayed within their borders without nuclear powers following their every move?
There are many questions about that, many people hold the opinion that the nuclear weapons did not in fact end the war.
Whether or not that is true, I do not pretend to have the expertise to say, however saying there is no question is flat out wrong and ignoring the debate.
The Empire of Japan was willing to die fighting a dominant superpower for every blade of grass, but a second superpower (one hurt far worse in the European theatre) suddenly tipped the imaginary balance?
There's an argument for the A-bomb being effective but unnecessary to the end the war; but this article's view that it had nothing to do with it is seriously by no honest historian.
Because the atomic bomb had not yet been invented.