Answer it depends how imortant the thing is that is removed if one orginism relies totally on it than it could be a total disaster like cause than they will die and than other things will die cause it died and than other things will die cause they died ect.
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.