How erosion can change mountains it can change the mountains size and or shape. For example, erosion could change a mountain to a hill.
A beach causes much erosion. Pound on the rocks & over time, cliffs crumble. Find sand & little pebbles on beaches.
Oceans, roll rocks around.
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.