The six factors affecting the rate of a reaction Nature of the reactants Temperature Concentration (or pressure ) of the reactants Presence or absence of catalyst Allotropic modification Physical state of the reactants (surface area) In the case of photochemical reaction - Intensity of light I hope it might help you.
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.