Part A What is a central idea of "Mending Wall"? People must find common ground to evolve. People have different views about how borders shape human interactions. Making new friends can enhance life. It is important to disagree with your neighbors. Question 2 Part B How do the characters contribute to the development of the central idea in Part A? The speaker believes that elves tear down the wall, while his neighbor believes that it is hunters and their dogs. The speaker believes that the wall is unnecessary because there are no cattle, while his neighbor intends to purchase cattle someday. The speaker and his neighbor agree on the importance of the wall and its rebuilding it every spring. The speaker believes that walls create unnecessary divisions between people, while his neighbor believes that these divisions are necessary.