In your Main View(Edit) pass the LocationViewModel , because partial view requires this model and you are not passing it in Html.RenderPartial.
When you call your RenderPartial you need to pass in a model type of LocationViewModel. It doesn't look like you have this in your edit view right now, so you need to either a) add it to the viewbag from your controller and pass it via your RenderPartial call or b) change the model type in your edit view (you may need a wrapper that holds both the user and locationviewmodel information).
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.