You can't use things like preceding-sibling::div because there is no div element in your document. The whole point of CDATA is to say "the stuff in here is character data; it may look like markup, but I don't want it treated as markup". So whoever decided to wrap the content in CDATA was deliberately trying to stop you doing this.
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.