The simple answer is "you cannot do that". The whole point of constant is that it's constant as in its value is never changed . If it refers to a function call, the function can return any value - and it's not constant any more.
A constant should be exactly what the name implies - constant. You cannot redeclare a constant, and anything that has a variable value should be stored in - you guessed it - a variable.
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.