Why did the United States have greater claim to the area around the mouth of the Columbia River than the British did? (1 point) Responses The United States Navy seized the area. The United States Navy seized the area. The British were not interested in the area. The British were not interested in the area. Jonathan Thorn’s men set up the first U.S. fort there. Jonathan Thorn’s men set up the first U.S. fort there. Wilson Hunt built the Spokane House there.

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The reason the United States had a greater claim to the area around the mouth of the Columbia River than the British did is that Jonathan Thorn’s men set up the first U.S. fort there. This fortification established U.S. presence and influence in the region, strengthening their claim.