What is the effect of the underlined sentence on page 2

Write explanatory essay about the effects of earthquakes.

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.

1which is an example of a claim? a . . never give up on a goal or dream just because someone tells you it’s impossible. b people said no one could scale mount everest, but in 1953, sir edmund hilary and tenzing norgay gazed down upon the world from its summit. c a rude remark is like a piece of litter in a national park—the best thing to do is throw it in the garbage where it belongs. d 1903, orville and wilbur wright made the first sustained powered flight in a heavier-than-air machine. review the sentence. actually, we the chair in spain about 20 years ago. 2 which correctly completes the sentence? actually, we the chair in spain about 20 years ago. buy buyed bought boughten