1 hank should be plenty to reroot a Pippa type doll to princess length. This applies to both NYLON and SARAN.
On average, depending on the size, thickness and amount of your hair plugs, 6-8 hanks should be plenty to fully reroot a large doll head.
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.