The area in dispute between the United States and Great Britain in 1845 lay between
A) the forty-second parallel and the Columbia River.
B) the Cascade Mountains, the Columbia River, and Puget Sound.
C) the 36º 30' line and the Columbia River.
D) the forty-ninth parallel and the 54º 40' line.
E) the Columbia River, the forty-ninth parallel, and the Pacific Ocean.
Answer: E