Why aren't North Korea, Iran, and Iraq allowed to have WMDs when the U.S. used two of them back in 1945?

Not much, since it was so small. But regionally, they bit the bullet and converted their language from a code (one symbol for each word) into a cipher (one symbol for each consonant), which nobody else was willing to do for a long time. That happened around 1400.

Maybe you should specify how ancient you mean by "ancient".

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.