Prompt Krakauer interrupts the story again here to tell the story of his own youth. What is his purpose for this? Do you think he
accomplishes that purpose?

its the first one

explanation:

think about it the answer is in the first paragraph

the anwser is went creeping down the river again, across the wide lonely marshes to the sea.

i longed to go with them out into the world to seek my fortune in foreign lands—africa, india, china and peru!

and, dreaming of the lands i had never seen, i'd sit on there, watching till they were out of sight.

hm, switch the relative; nominative and indefinite; objective ? not too bright in the knowledge of the english.