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The Webster–Ashburton Treaty, signed August 9, 1842, was a treaty that resolved several border issues between the United States and the British North American colonies (the region that became Canada). Signed under John Tyler's presidency, it resolved the Aroostook War, a nonviolent dispute over the location of the Maine–New Brunswick border. It:

Established the border between Lake Superior and the Lake of the Woods, originally defined in the Treaty of Paris in 1783 Reaffirmed the location of the border (at the 49th parallel) in the westward frontier up to the Rocky Mountains
Rocky Mountains
defined in the Treaty of 1818 Defined seven crimes subject to extradition Called for a final end to the slave trade on the high seas Agreed that the two parties would share use of the Great Lakes

The treaty retroactively confirmed the southern boundary of Quebec that land surveyors John Collins and Thomas Valentine had marked with stone monuments in 1771–3. The treaty intended that the border be at 45 degrees north latitude, but is in some places nearly a half mile north of the parallel. The treaty was signed by United States Secretary of State Daniel Webster
Daniel Webster
and British diplomat Alexander Baring, 1st Baron Ashburton.[1]

Contents

1 In the East 2 In the West 3 Other issues 4 Results 5 See also 6 Notes 7 References 8 Works cited and further reading 9 External links

In the East[edit]

Settlement in the East

An arbitration of various border issues in the East before King William I of the Netherlands
William I of the Netherlands
in 1831 had failed to yield a binding decision.[2] The Treaty of Paris had established the 45th parallel as part of the northern boundary of modern-day New York and Vermont. Most of that portion of the boundary had previously been surveyed in the early 1770s, but the survey line was inaccurate. Since "Fort Blunder"—an unnamed U.S. fort in what is now part of northeastern New York—had been constructed north of the actual 45th parallel, the United States wanted to follow the old survey line, and the Webster–Ashburton treaty incorporated this change, leaving the half-finished fort on U.S. soil. Following signing of the treaty, the U.S. resumed construction on the site. The new project replaced the aborted 1812-era construction with a massive third-system masonry fortification known as Fort Montgomery.[1] This treaty marked the end of local confrontations between lumberjacks (known as the Aroostook War) along the Maine border with the British colonies of Lower Canada and New Brunswick. The newly agreed border divided the disputed territory between the two nations. The British acquired the Halifax–Quebec road route, which their military desired because it provided a wintertime connection between Lower Canada and New Brunswick and Nova Scotia. The treaty adjusted portions of the border to give the United States a little more land to the north. It also resolved issues that had led to the Indian Stream dispute as well as the Caroline Affair. The Indian Stream area was assigned to the United States. The Webster–Ashburton Treaty
Webster–Ashburton Treaty
failed to clarify ownership of Machias Seal Island
Machias Seal Island
and nearby North Rock, which remain in dispute today.[1] Additionally, the signing of the treaty put an end to several building improvements planned for Upper Canadian defense forts such as Fort Malden
Fort Malden
in Amherstburg, which the British government later abandoned, as they no longer served a defensive purpose. In the West[edit]

Plaque in Washington, D.C.

The border between Lake Superior and the Lake of the Woods
Lake of the Woods
needed clarification because the faulty Mitchell Map
Mitchell Map
used in the negotiations for the Treaty of Paris was inadequate to define the border according to the terms of that treaty. Ambiguity in the map and treaty resulted in Minnesota's Arrowhead region
Arrowhead region
being disputed, and previous negotiations had not resolved the question. The treaty had the border pass through Long Lake, but did not state that lake's location.[3] However, the map showed the lake flowing into Lake Superior near Isle Royale, which is consistent with the Pigeon River route. The British, however, had previously taken the position that the border should leave Lake Superior at Fond du Lac (the "head of the lake") in modern Duluth, Minnesota, proceed up the Saint Louis and Embarrass rivers, across the height of land, and down Pike River and Lake Vermilion
Lake Vermilion
to the Rainy River.[4][5] To counter this western route, the U.S. advocated for an eastern route, used by early French explorer Jacques de Noyon
Jacques de Noyon
in 1688, and the later a well-used fur traders' route after 1802. This way headed north from the lake at the site of Fort William up the Kaministiquia and Dog Rivers to Cold Water Lake, crossed the divide by Prairie Portage to Height of Land Lake, then went west by way of the Savanne, Pickerel, and Maligne rivers to Lake La Croix, where it joined the present border.[6] The Mitchell map had shown both of those routes, and also showed the "Long Lake" route between them.[7] Long Lake was thought to be the Pigeon River (despite the absence of a lake at its mouth).[a] The traditional traders' route left the Lake at Grand Portage
Grand Portage
and went overland to the Pigeon, up that river and a tributary across the Height of Land Portage, and thence down tributaries of the Rainy River to Lac La Croix, Rainy Lake and River, and Lake of the Woods. This is finally the route the treaty designated as the border.[8] The treaty clarified the channel that the border would follow between Lake Huron and Lake Superior, awarding Sugar Island to the U.S. Another clarification made in this treaty resulted in clarifying the anomaly of the Northwest Angle. Again, due to errors on the Mitchell Map, Treaty of Paris reads "... through the Lake of the Woods
Lake of the Woods
to the most northwesternmost point thereof, and from thence on a due west course to the river Mississippi ..." In fact, a course due west from the Lake of the Woods
Lake of the Woods
never intersects the Mississippi. The Anglo-American Convention of 1818
Anglo-American Convention of 1818
defined the boundary about Lake of the Woods to the Rocky Mountains. This 1842 treaty reaffirmed the border and further defined it by modifying the border definition to instead read as:

“ ... at the Chaudiere Falls, from which the Commissioners traced the line to the most northwestern point of the Lake of the Woods, thence, along the said line to the said most northwestern point, being in latitude 49°23′55″ north, and in longitude 95°14′38″ west from the Observatory at Greenwich; thence, according to existing treaties, due south to its intersection with the 49th parallel of north latitude, and along that parallel to the Rocky Mountains
Rocky Mountains
... ”

The Webster–Ashburton Treaty
Webster–Ashburton Treaty
failed to deal with the Oregon question, although the issue was discussed in negotiations. Other issues[edit] Article 10 of the Webster–Ashburton Treaty
Webster–Ashburton Treaty
identified seven crimes subject to extradition: "murder, or assault with intent to commit murder, or piracy, or arson, or robbery, or forgery, or the utterance of forged paper." It did not include slave revolt or mutiny. In addition, the United States did not press for the return or extradition of an estimated 12,000 fugitive slaves who had reached Canada.[9] While agreeing to call for a final end to the slave trade on the high seas, Webster and Ashburton agreed to pass over the Creole case
Creole case
of 1841 in the Caribbean, which was then in contention. In November 1841, a slave revolt on the American brig Creole, part of the coastwise slave trade, had forced the ship to Nassau. Bahama officials eventually emancipated all 128 slaves who chose to stay in Nassau, as Britain had abolished slavery in its colonies, effective in 1834.[9] The U.S. initially demanded return of the slaves, then compensation. A settlement was made in 1855 as part of a much larger claims treaty of 1853, covering claims by both nations to 1814. Results[edit]

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Maine boundary dispute that led to the 1842 Webster–Ashburton Treaty

As a result of the Webster–Ashburton Treaty, the United States ceded 5,000 square miles (13,000 km2) of disputed territory along the Maine border, including the Halifax–Quebec Route, but kept 7,000 square miles (18,000 km2) of the disputed wilderness.[10] In addition, the United States received 6,500 square miles (17,000 km2) of land along the Minnesota–Canada border, which included the Mesabi Range.[10] Shortly after ratification of the Webster–Ashburton treaty, the Ojibwa
Ojibwa
nations about the south shore of Lake Superior ceded land to the United States in the Treaty of La Pointe. However, the news of the ratification of the international treaty did not reach either of the parties negotiating the land cession. The Grand Portage
Grand Portage
Band was mistakenly omitted from the Ojibwe treaty council. In addition, the Grand Portage
Grand Portage
Band was misinformed on the details of the Treaty of Paris; they believed that the border passed through the center of Lake Superior to the Saint Louis River, placing both Isle Royale
Isle Royale
and their band in British territory. The Treaty of Paris specifically notes Isle Royale
Isle Royale
as in the territories of the United States. Consequently, the Isle Royale
Isle Royale
Agreement was signed between the United States and the Grand Portage
Grand Portage
Band in 1844 as an adhesion to the Treaty of La Pointe, with other Ojibwa
Ojibwa
tribes reaffirming the treaty. Ten months of negotiations for the treaty were held largely at the Ashburton House, home of the British legation on Lafayette Square in Washington, D.C.
Washington, D.C.
The house has been designated a U.S. National Historic Landmark. To make the controversial treaty more popular in the United States, Webster released a map of the Maine–Canada border, which he claimed Benjamin Franklin
Benjamin Franklin
had drawn. It showed contested areas largely resolved in favor of the United States. See also[edit]

List of treaties History of Canada–United States border agreements through 1908 Timeline of United States diplomatic history Estcourt Station, Maine Oregon boundary dispute Slave Trade Acts Treaty of 1818

Notes[edit]

^ On the La Vérendrye Map, series of lakes are shown, of which "Lac de Sesakinaga" (Saganaga Lake), a Height of Land, "Lac Plat", "Lac Long" and Grand Portage
Grand Portage
are shown in relative equidistance from each other, thus alluding to Mountain Lake or Arrow Lake as "Lac Long", all long lakes on the Pigeon River route.

References[edit]

^ a b c Carroll (2001). ^ "Decision of the Arbiter, January 1831". Retrieved 26 June 2017.  ^ Lass (1980), pp. 1, 11, 37. ^ Lass (1980), pp. 37–39, 49. ^ Vogel & Stanley (1992), pp. E-12, E-13. ^ Lass (1980), pp. 37–39, 44. ^ Lass (1980), p. 37. ^ "Webster–Ashburton Treaty, Art. 2". Yale Law School. 1842. Archived from the original on August 25, 2006. Retrieved September 18, 2008.  ^ a b Jones (1975a), pp. 28–50. ^ a b Kennedy, Bailey & Cohen (2006), pp. 374, 375.

Works cited and further reading[edit]

Carroll, Francis M. (March 1997). "The Passionate Canadians: The Historical Debate about the Eastern Canadian–American Boundary". New England Quarterly. . 70 (1): 83–101. JSTOR 366528.  ——— (2001). A Good and Wise Measure: The Search for the Canadian–American Boundary, 1783–1842. University of Toronto Press.  (the standard scholarly history) ——— (2003). "Drawing the Line". Beaver. 83 (4): 19–25.  Corey, Albert B. (1941). The Crisis of 1830–1842 in Canadian-American Relations.  Jones, Howard (March 1975a). "The Peculiar Institution and National Honor: The Case of the Creole Slave Revolt". Civil War History. 21 (1): 28–50. doi:10.1353/cwh.1975.0036.  ——— (December 1975b). "Anglophobia and the Aroostook War". New England Quarterly. 48 (4): 519–539. JSTOR 364636.  ——— (1977). To the Webster–Ashburton Treaty: A Study in Anglo-American Relations, 1783–1843.  Jones, Wilbur Devereux (February 1956). "The Influence of Slavery on the Webster–Ashburton Negotiations". Journal of Southern History. 22 (1): 48–58. JSTOR 2955259.  Kennedy, David M.; Bailey, Thomas Andrew & Cohen, Lizabeth (2006). The American Pageant (13th ed.). Boston: Houghton Mifflin. ISBN 0618479279. OCLC 846067545.  Lass, William E. (1980). Minnesota's Boundary with Canada. St. Paul, MN: Minnesota Historical Society. ISBN 0-87351-153-0.  LeDuc, Thomas (December 1964). "The Webster–Ashburton Treaty
Webster–Ashburton Treaty
and the Minnesota Iron Ranges". Journal of American History. 51 (3): 476–481. JSTOR 1894897.  (shows the value of the iron range was not known when the treaty was drawn) Merk, Frederick (December 1956). "The Oregon Question in the Webster–Ashburton Negotiations". Mississippi Valley Historical Review. 43 (3): 379–404. JSTOR 1893529.  Remini, Robert (1997). Daniel Webster. pp. 535–64.  Vogel, Robert C. & Stanley, David G. (1992). "Portage Trails in Minnesota, 1630s–1870s" (PDF) (Multiple Property Documentation Form). National Park Service. Retrieved May 13, 2008.  The Maine Council (1904). Historical Sketch Roster of Commissioned Officers and Enlisted Men Called Into Service for the Protection of the Northeastern Frontier of Maine from February to May 1839. Augusta, ME: Kennebec Journal Print. pp. 4–5. Retrieved October 15, 2007 – via Google Books. 

External links[edit]

Text of the Webster–Ashburton Treaty
Webster–Ashburton Treaty
(The Avalon Project at Yale Law School) Webster–Ashburton Treaty
Webster–Ashburton Treaty
(U.S. Department of State) Franklin Map Possibly Forged

Authority control

WorldCat Identities VIAF: 177886073 LCC

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