There are 5 countries having 100% literacy rate.
As there is no universal definition or standard for what being literate means, take every link with a grain of salt. This link goes with age 15 + and can read or write as its definition. Even that doesn't say how WELL you must read or write.
Https://www.cia.gov/library/publications...
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.