Which of the following is the most important question to ask when analyzing your audience?

-what topic would they want me to write about?
-how many people are going to read my research paper?
-what do they already know about my topic?
-how would someone else write my research paper?

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.

Why does henry david thoreau think imprisonment is ineffective?

Which is not among the style choices a writer would use, if he or she is trying to establish a formal writing style/