Yes you can it's easy to do, Download the Free Open source operating system from the web link below Make a Live bootup DV disk or USB Live flash drive boot up system, Boot the computer up with the live system device then you can log on to your Crashed messed up hard drive find the data you want to save and copy it to a Usb drive, Then install the Free open source operating system on to the hard drive.
Yes, there are good chances if the HDD is not damaged.
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.