I do not know how they could take your son from you! You are the parent you must have given away your control. Take it back.
Do not enable them to bully you. Yes you said something you felt needed to be said. Let them get over it.
Stop being a victim . This is time for family start making your own traditions with your child. Do it now make plans for the two of you to do something on NewYears alone if need be.
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.