If she is your real elder sister, it is obvious that she will show her concern for you. No matter, if she does not spend time with you but it is for sure that she is giving you some guidance which every elder gives to their youngsters. May be what you think bad today will benefit you tomorrow and you would realise than.So always respect your elders to get back the kind of love and blessings from them.
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.