Domain driven design external systems and technical dependencies?

It seems fine to me. The important thing is for your Repository to stay oblivious of the Nav side of things and let the anticorruption layer handle that. You might want to have a look here for a similar example.

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.