La phrase est jolie mais non, je ne pense pas, il y a aussi de bons souvenirs ravivés par des odeurs (cf la madeleine de Proust). Cela dit si l'on a un tempérament mélancolique on peut sombrer dans la tristesse en repensant aux jours heureux.
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.