Never. There's always ways to access it. If you have smart parents they can check out where there wifi or data is being used on.
If your parents are technological fuds though, I think you'll be good with clearing your cookies, cache, and history.
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.