Windows 8 Core OEM iso...How to get it and install on virtualbox in Ubuntu,?

No. Your use of 10 depends on your 8 licence key used fior the upgrade, If someone else uses ut it invalidates your 10.

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.