What can a poets use of imagery establish in a poem

Ineed on this app i was at ambitious but then all of the sudden i got put back to about 30 points. is there something i can do about this, because i lost all of my progress in this app.

1. in the bold portion of the narrative, the author tries to use a flashback to develop tension. however, the flashback does not create tension. rewrite the flashback scene so it develops tension right at the beginning of the story. (15 points)

Which description most clearly defines tone in literature