If your files shouldn't ever be on the filesystem, you have a problem in the requirements. The . Msi storage itself is an open format and can be read by many tools, so if someone knows the file it's possible for them to find and extract it manually.
Most controls in MSI dialogs use installer properties. For example, a checkbox may use a property named MY_CHECKBOX which is set to a value or it's empty, based on whether the checkbox is checked or not.
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.