My advice is that you should go out there, pick up the neccessay components and build a compter on your own. Pre-built PCs suck. If I have to recoomend one, here is it http://www.walmart.com/ip/iBUYPOWER-Blac... I'm sure that PC meet the Tera system requirement.
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.