5.2 The Idea of Manifest Destiny

Manifest Destiny

The belief that the US was divinely destined to expand its territory across North America.

Expansionism

Fueled by nationalism, population growth, economic development, technological advancements, and reform ideals, it refers to the US desire to expand westward.

Aroostook War

A conflict between rival groups of lumber workers on the Maine-New Brunswick border in 1839.

Webster-Ashburton Treaty

A treaty that resolved the Aroostook War by splitting territory between Maine and British Canada.

Oregon Trail

A route used by thousands of settlers to migrate to Oregon, characterized by fertile lands in the Willamette Valley.

Gold Rush

A period marked by the discovery of gold in California in 1848, leading to a surge in population to the area.

Preemption Acts

Laws that allowed squatters to settle public lands and purchase them cheaply.

Urban Frontier

The rise of western cities as a result of railroads, mineral wealth, and farming.

Transportation Developments

Includes the use of scheduled shipping, clippers, steamships, and advancements in trade with Asia.

Fifty-Four Forty or Fight

A slogan associated with James K. Polk, advocating for US claims in the Oregon Territory.