Western United States
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The Western United States, commonly referred to as the American West or simply the West, traditionally refers to the westernmost states of the United States. As the country has expanded westward since its founding, the definition of the West has changed over time.
In the 18th and the early 19th centuries, the Appalachian Mountains were considered to be the boundary. of the Westé. However, the Mississippi River is now often considered to be the easternmost possible boundary. The West played a large role in American history, and the American Old West is an important part of the country's folklore.
The region is divided into the Mountain States and the Pacific States subregions. The United States Census Bureau defines the Western United States as the following: