Yes, as long as it's latex/latex or alkalyd/alkalyd.
From a paint contractor in arizona. Yes you can sand good enough to break the glaze. And than by a good latex enamel paint and give 2ea.Coats.
With time to dry between coats.
You can paint over latex paint with latex enamel.
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.