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| North·west Ter·ri·to·ry [ nàwrth west térree tàwree ] territory of the north central United States ceded by England to the United States by the Treaty of Paris in 1783. The area of about 688,600 sq km (265,900 sq mi) extended from the Ohio and Mississippi rivers northward to the Great Lakes, and included present-day Ohio, Indiana, Illinois, Michigan, Wisconsin, and eastern Minnesota. |
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