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Westward Expansion: Home

Introduction to Westward Expansion

Welcome! You are here to learn about Westward Expansion in U.S. History. This home page will give you an overview of Westward Expansion as well as some general resources that you may want to use. Each tabbed page will give you specific information about different events during the Westward Expansion period. Find a topic that interests you and use that page to become an expert. Have fun exploring!

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United States: Expansion

When the United States declared its independence in 1776 it was only one fourth its present size. By negotiation, purchase, annexation, and war it extended its boundaries from the Atlantic to the Pacific by 1853. This map shows the acquisitions and the dates the areas were added. 


United States: expansion. Image. Britannica School, Encyclopædia Britannica, 1 Nov. 2017. Accessed 27 Nov. 2017.


American History Database includes information on many Westward Expansion topics and people.

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  • A New Nation
  • Manifest Destiny
  • Oregon Trail
  • Lewis and Clark Expedition

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