Everything started life as a naturally occurring ingredient. Then it might have been separated, ground, mixed, heated .... or all the other things we do. The processes are much the same whether we are baking bread, extracting vitamins or making petrol.
So what makes one thing natural and another thing synthetic? If something occurs naturally (e.g. ferric oxide - used as a colour and a source of iron for the body), is it better to use it in food, cosmetics and medications in its natural state, with all the natural pollutants (some of which are toxic), or is it better to synthesise it in a pure form? If a vitamin source also includes unwanted material that needs to be excluded, should we use some sort of process to exclude the unwanted parts - after all, that is what happens.
Before we distinguish between natural and non-natural, perhaps we first need to define what we mean by non-natural and what we actually want from the product/substance. Can you think of anything on earth that did not start with naturally occurring ingredients?
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.