Agreed @newageinv ...

"... a new movie hasn’t been made about this amazing journey and its impact to the country."

... as I would definitely watch it. The lives of these people have always been fascinating to me, as a testament to what people are capable of, if they are resolute and courageous.

Today, we have so little idea (at least I don't think so ...) of "what it takes," but I would imagine, if our lives were literally "on the line," we would find out quickly!