For the speaker of “mending wall” by robert frost, what does the wall symbolize?

Could someone me with this question?

Why would viktoria most likely include this paragraph in the middle of her essay? to introduce the main challenge she faces to explain some of the obstacles she faces to explain how she overcomes her obstacles to discuss how the challenge changes her

A. to transition the reader smoothly from one idea or moment intime to the nextob. to grab readers' attention and get them interested in the essay'smain topicc. to provide more supporting details about the essay's main ideasor topicod. to sum up the overall point of the essay and make a lastingimpression