What is the name of the land controversy James Sinclair was attempting to win after being authorized by the Hudson's Bay Company?
James Sinclair (fur trader):  These were both authorized by the HBC as a part of grandiose plans to strengthen British claims in the Oregon boundary dispute. Oregon boundary dispute: The Oregon boundary dispute or the Oregon Question was a controversy over the political division of the Pacific Northwest of North America between several nations that had competing territorial and commercial aspirations over the region.
i don't know