What poetic devices are used in this poem and why they look like they’re used?

Asap that time of year thou mayst in me behold when yellow leaves, or none, or few do hang upon those boughs which shake against the cold, bare ruined choirs, where late the sweet birds sang. in this excerpt, what is the best meaning for the word "late"? not on time until recently dead well into the evening

What is the main source of conflict in this passage? lee grew up near the old-growth forest. she loved wandering the trails and looking at the natural beauty around her. but the city council recently approved plans to cut down the forest in order to build a shopping center and apartment buildings. the council believed the development would create new jobs and provide more affordable housing. lee was upset when she heard about the plans to destroy her beloved forest, and she vowed to do something to save it.

Public opinion polls are used in marketing