Please help me with 1,2 questions please

Which of the following is an example of an author’s purpose for using first-person point of view?

2. page 1: schlosser describes "just another gorgeous rocky mountain vista. and yet cheyenne mountain is hardly pristine." why do you think schlosser describes the beautiful cheyenne mountain scene in detail before describing the military installation that lies inside?

In “eleven” in 6th grade book collections question number 7 is how would you describe the authors style? describe some of the aspects that convey the authors style? pl