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The correct answer to this open question is the following.
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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.
Medieval age lasted for more than thousand years. The medieval age is formerly proclaimed to be Dark Age not because it was dark but because nothing was known.
After the collapse of Greek and Roman civilizations, the whole of Europe came under the supremacy of the churches at that which gained control. It was called as nothing was known or studied about the political structure that prevailed during that period.
Dark Age does not actually refer to the time when people spent much of their time in darkness. It simply means that nothing came into light from the period when great civilizations came to an end.
