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The area in dispute between the United States and Great Britain in 1845 lay betweenA) 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.

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