Question

Explain the significance of choosing the 49th parallel as the boundary between Canada and the United States.

Answer 1

Since 1818, the US and Britain jointly occupied the territory that is now Oregon, Washington, and Idaho and parts of Montana, Wyoming, and British Columbia. Once the boundary was established at the 49th Parallel, the United States officially expanded to the West Coast.

Explanation: Took the quiz

Answer 2

Great Britain wanted a border that followed the Columbia River to the Pacific Ocean.