Palisade mesophyll... because that is where the energy from the sun is trapped, therefore the plant needs to have many chloroplasts in order to capture the light energy extra* the palisade cells are long and wide in order to increase the surface area of contact with the sun.
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.