I believe solar power system is a good future, for the blue sky of our later Children, it's better to use more solar energy. If you want to know more about the solar power system, I suggest you to visit the website of Himin solar company, which is the most renowned solar brand in China. Www.himinsun.com.
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.