The main ingredient in electronic cigarettes is "Propylene glycol is a key ingredient because it’s used to dilute the nicotine and help it to vaporize, thus making it inhalable. " other than that there are other chemicals used for flavorings in electronic cigarettes but all this pales in comparison to the chemicals found in tobacco and its flavorings.
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.