What is the mid west in four sentences

The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four census regions of the United States Census Bureau. It occupies the northern central part of the United States. It was officially named the North Central Region by the Census Bureau until 1984.The Midwest, as defined by the federal government, comprises the states of Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, and Wisconsin.

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i believe the primary and secondary sectors