After making a few trips to explore the area and trade, they managed to convince the British to found a trading company, the Hudson's Bay Company, to exploit the rich supply of furs found north of Hudson Bay. A few years later, British merchants had established several trading posts at the mouth of the major rivers and increased trade with the Indian nations living in the interior, including the Sioux, the Assiniboine and the Cree.

 

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Sioux coat