What does the phrase “one on a side” mean?
the speaker and the neighbor repair the wall from opposite sides.
the speaker and the neighbor repair the wall from the same side.
the speaker repairs his side of the wall while the neighbor watches.
the neighbor repairs his side of the wall while the speaker watches.

Explanation:

The speaker of Robert Frost's ballad entitled "Repairing Wall" does not perceive any requirement for a divider between his property and that of his neighbor; he additionally discovers dividers unnatural.  

The speaker suggests that "Something" in nature dislikes a wall since it makes the solidified ground swell under this divider, spilling the "upper stones" down as they make holes through which anybody could pass. Here the speaker recommends that it isn't normal to have a divider; all things considered, just man makes outskirts.

to convince americans of the importance of others.

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