It is strange that it is really easy and non painful to put a dog to sleep but we struggle with the right lethal drugs for humans.
Surely they would use the same drug as used on animals, and if not, I wonder why not. :shrug:
It has been said that the Soviet Union was on the verge of defeating Japan and the first bomb wasn't even necessary.
The bomb was most likely dropped so the US could claim the victory before the USSR. I think this is a view that many historians share today.