It uses an old..old.old.. single core Pentium 4 CPU. It will have a LGA 775 socket that, but that's no guarantee that it will handle to the later LGA 775 CPUs, (Core 2 Duo, Core 2 Quad). Honestly, that computer is so outdated, that it would be dumb to try to upgrade it.
Save your money for new build.
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.