Electronic Diversity Visa Lottery. Https://www.dvlottery.state.gov That is the one and only official site and applying is free. All other sites claiming to be about the green card lottery and you have to pay, that is scam.
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.