How did different native peoples and outside countries compete for control of the northwest ?

The correct answer to this open question is the following.

Unfortunately, you did not include options or further references, we can say the following.

Different native peoples and outside countries competed for control of the northwest because they knew the kind of raw materials and natural resources of the Norwest. So Native American Indian tribes competed and fought with white Europeans that were interested in taking those lands and remove the Indians to exploit those raw materials in order to make big profits.

The crucial years were from 1774 to 1812. Many Europeans arrived at the Pacific Northwest to participate in the fur trade. We are talking about merchants from countries such as Russia, England, Portugal, Spain, and France. They tried to establish trade with different Native American tribes such as the Haida people, the Salish, and the Makah.

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