Considering it is quite a new game, most people who usually write walkthroughs/FAQs haven't got around to it yet. Even writing one could take weeks to complete. Many people might not even have beat it themselves yet.
Writing walkthroughs is a long process. Many people first beat the game the hard way, as they are as unsure as you are of how to get any further. Then, to create an accurate walkthrough, you sit through the whole game again / replay missions, while maybe taking notes or directly writing the walkthrough.
So if you are really looking for one, then you'll probably have to wait a little while.
Here's the closest thing I could find, a Q&A page on a cheat website. Hides the answers, so the only spoilers are in the nature of the questions: cheatmasters.com/qa/30462/Saw_The_Videog....
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.