Use the Restore System to last date. My Computer, Control panel, Restore System. If you have problems search the Help for Restore System.
Firstly, Was the data on windows, if so then it's lost. Secoundly, If you buy a windows disk, goto BIOS, and set it to boot off disk, then install again it's plain sailing from there.
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.