Normal queries are limited to six years back, but in the case of tax evasion, HMRC can go back as far as they want. So yes, in these circumstances 6 - 7 years ago would be investigated. More.
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.