Why is setting important in literature?

i. it reinforces character and theme.

ii. it contributes to atmosphere and mood.

iii. it adds realism.

i and ii only
i and iii only
ii and iii only
i, ii, and iii

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.