D.
it's D because it's coming from a person that was there. A primary source comes from a person involved, saw it or was there
Answer: Whatever the wishes of the inhabitants, the boundary dispute was settled through diplomacy and arbitration. The matter was resolved in 1842 when Lord Ashburton of Great Britain and Daniel Webster of the United States negotiated a treaty (known as the Webster-Ashburton Treaty) that established the St. John and St.
Explanation: thats what i think .
