Question

what does the expression bent in the undergrowth imply

Answer 1

It means the road on which the poet was walking that day branched off into two directions and disappeared into the tall grass and smaller vegetation. Metaphorically the poet is talking about the uncertainty of life. The road actually is symbolic of life; and the point at which the road branched off into two different directions was the two choices he had to opt for. The first choice was should he stay in America? The second was should he go to England and try his luck as poet there? He was not sure he would be successful there. So this conflicting situation has been compared to the road that bent and disappeared in the undergrowth.

Answer 2

There are two roads ahead of the poet and he have to make a choice between them as one of them leads to his future. BUt there is growing of shrubs and small grass of the road which is expressed by the word undergrowth, so he is looking down to be sure.