Read these lines from the poem again:

The bridge of the railroad now crosses the spot
Whare the old divin'–log lays sunk and fergot.
And I stray down the banks whare the trees ust to be –
But never again will theyr shade shelter me!

These lines from the poem refer to the

positive impact of progress and development
need for progress and development
negative impact of progress and development
reason for progress and development