Stress is load per unit Area Its unit is N/M2 in SI system And Strain is Change in Dimension(dL) Divided by Original Dimension(L). DL/L Its a dimensionless quantity When a body is loaded within its elastic limit Stress is directly preportional to strain.
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.