Compared to other planetary systems the Solar System stands out in lacking super-Earth, planets between the size of Earth and Neptune, and lacking planets interior to the orbit of Mercury.146147 The Solar System may once have had close-in planets whose orbits became unstable until they collided with each other or were ejected from the system, leaving Mercury as the sole survivor of that time.
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.