When she's got enough hair to notice. NB:She should NOT use her dad's or brother's razor; she'll probably nick the skin and bleed. Get a bunch of disposable ones specifically meant for ladies.
Be sure to soap the area really thoroughly first, so the blade glides smoothly across the surface. Otherwise it can catch and nick. Rinse very thoroughly, and don't apply any deodorant for a couple of hours.
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.