Yes, they can do it and in case you need to have some serious security app, the best app would be Leo Privacy Guard. It allows you to hide your personal images and videos and also you could lock applications through it.
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.