Most birds that have the name of 'sparrow' lay their eggs in spring and summer. If good conditions apply- such as plentiful food and mild weather- then they can breed all year round. The House Sparrow certainly can, which is one reason it is so common in many countries.
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.