Different periods of US history refer to specific time frames that can be characterized by distinct events, policies, social changes, and cultural shifts. Examples include the Colonial era, the American Revolution, the Westward Expansion period, etc.
Related terms
Manifest Destiny: The belief prevalent during the 19th century that it was America's destiny to expand its territory from coast to coast.
Frontier Thesis: A theory proposed by historian Frederick Jackson Turner that emphasized the importance of westward expansion in shaping American identity.
Industrialization: The shift from an agrarian-based economy to one primarily focused on manufacturing and industrial production.