The northern boundary of the United States is primarily defined by the Canada–United States border, which stretches approximately 5,525 miles (8,891 kilometers) across North America. This border runs from the Atlantic Ocean in the east to the Pacific Ocean in the west, encompassing various terrains, including lakes, rivers, and mountainous regions. Additionally, the border includes the Arctic region, delineating the U.S. state of Alaska from Canada.
The boundary was most the northern borders of the states Arkansas, Tennesee,Texas, and Virginia.
Confederate and Union Boundary IMPROVEMENT The Mason-Dixon line
The northern states in the US Civil War called themselves "The Union."
Northern Boulvard
The dispute over the northern boundary of the U.S. claim to the Oregon Territory was was settled in the Treaty of Oregon of 1846, during the presidency of James K. Polk. The treaty established the boundary between British Canada and the U.S. at 49-degrees latitude. -- Contributed by Ray Kovach, Chicago, IL
the country that forms the northern boundary of the United States is Canada :)
The boundary was most the northern borders of the states Arkansas, Tennesee,Texas, and Virginia.
Norway, Finland, and Russia were creating a northern boundary.
Canada.
The northern boundary of Sumatra is a general tectonic boundary where the Eurasian Plate meets the Sunda Plate. This boundary can experience earthquakes and volcanic activity due to tectonic movements.
Pennsylvania.
49 degrees
That sounds like the northern border of Delaware.
Canada is the northern boundary of the US, while Mexico is the southern boundary. The geographical features that serve as boundaries include the Great Lakes and St. Lawrence River to the north, and the Rio Grande River to the south.
The northern boundary of British Columbia is located at approximately 60 degrees latitude.
Maryland's northern boundary is defined by the Mason-Dixon Line, which serves as the border between Maryland and Pennsylvania.
This is the boundary with Ukraine: mountains and the river Tisa.