From the Nostrand reading: Which country did NOT lay a claim to what was then called 'Oregon Country'

The answer is Russia

Explanation:

The importance of the Oregon Country was its geographical position and the fur trade. Originally the Oregon Country was claimed by France, Spain, and Great Britain. And even if Russia had some settles there, they were incipient and undeveloped, so Russia didn't claim the Oregon County.

the answer is a) the proclamation of 1763.

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