Sentence water for noun

However, the idea of real-life people living in what would become the united states for thousands of years before columbus ever left spain never dawned on me. what would be the best way to revise this sentence for greater clarity? a) however, the fact that columbus left spain thousands of years after people settled what would become the united states never dawned on me. b) it never dawned on me, however, the idea of real-life people living in what would become the united states for thousands of years before columbus ever left spain. c) however, the fact that people were already living in what would become the united states for thousands of years before columbus ever left spain never dawned on me. d) however, the idea never dawned on me that long before columbus ever left spain, real-life people lived for thousands of years in what would become the united states.

4. at the conclusion of frankenstein, robert walton has an encounter with the monster, who arrives after victor frankenstein has died. perhaps surprisingly, the monster mourns his creator and expresses remorse over the fate that victor suffered. the monster pledges to destroy himself and then departs, disappearing as he goes further north. how does the monster’s behavior and attitude in this part of the novel affect the way readers view him? is he sympathetic? is he more hateful because it is only after victor has died that he relents? how does the change in the monster fit with the theme of duality in the novel?

What is most likely nelson mandela's purpose of using third person point of view after introducing himself in his introductory paragraphs