Answer:
i think its manifest destiny
Explanation:
The dark cloud was like a stain of darkness over the wide-open plain.
(Is that too advanced?)
There was a red stain on the boy's shirt as he stood in the grassy plain.
(That's a bit simpler.)
Well I would say that one of the central themes in Ernest Shackleton's South can be analyzing the complexity of the fight between the individuals and the society along with its "norms", in a world where nature is somewhat relentless towards humans. Hope this helped.
It is a compound complex sentence