The western portion of the boundary between the United States and Canada is classified as

Question

Quizplus · Accepted Answer

The western portion of the boundary between the United States and Canada is an example of an antecedent boundary, meaning that it was established and defined before human settlement or cultural landscapes were established in the area. This boundary was established by the Treaty of 1818 and was influenced by natural features such as the Rocky Mountains, rather than cultural or linguistic differences between the two countries.

The Western Portion of the Boundary Between the United States