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.
The Missouri Compromise kept the amount of slave states and free states balanced in America. However, the Kansas-Nebraska Act reapeled the Missouri Comp. because it allowed the states to decided if they wanted to be slave or free based on popular sovereignty.