I believe that what you want to know about, is the mass of Earth, which is approximately 6,000,000,000,000,000,000,000,000 (6E+24) kilograms.
Grief is heavier than earth. Grief is intolerable. Hence man seeks way to quell the grief by some hook or crook.
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.