Are isotopes a subatomic particle?

No. A nuclide is not a sub-atomic particle.

Nuclide nuclide (type of atom or nucleus with a specific number of protons and neutrons) wikipedia.

Sub-atomic particle sub-atomic particle subatomic particle (a particle smaller than an atom) wikipedia.

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.