Create a data transfer object with properties for the items you want to pass and and then pass it in as the user state. In the OO world, the answer is almost always to create another object.
The ReportProgress method of background worker component is overloaded to pass percentage and an object typed state value.
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.