It's approximately $12 per watt for panels, so it depends on how much you use on your electric bill. Look for a solar cost calculator. Cost calculator and some links... thesolarguide.com/solar-power-uses/cost-... findsolar.com/index.php?page=rightforme.
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.