Nikola Tesla was born in Croatia. S ethnicity was Serbian He was born in a small village called Smiljan in Croatia (Former Austrian Empire) in 10 July 1856. S father was a Serbian Orthodox priest.
S mother was an inventor herself, of household appliances Although he was educated in Europe, his genius was not appreciated until he came to the US to work with Thomas Edison He was one of the greatest inventors of all time. Some people call him "the father of modern physics" and "the man who lighted the world.
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.