A map of North America in 1840 at the time when the concept of "Manifest Destiny" was being applied to annex the Oregon Territory, Texas, and much of northern Mexico into the United States. The map is color-coded to show the extent of...

A map of the United States and the Louisiana Territory showing boundary disputes and boundary claims between 1763 and 1809. The map shows the natural boundaries and extent of the original Louisiana Territory claimed by the French, the...

A map of the United States showing the principal trade and westward migration routes between 1840 and 1850. The map shows state and territory boundaries at the time, major cities, ports, outposts, forts, and settlements, rivers, mountain...

A map of the western United States between 1836 and 1850 showing the Texas controversy and territorial adjustments at the time. The map is color-coded to show the unorganized territory of the Louisiana Purchase and the boundary line with...

A map of the Puget Sound area of North America showing the area of the boundary dispute between British Columbia and the United States. The San Juan Boundary was the source of a military conflict between the US and British North America....

[Free Registration/Login Required] Great learning "game" to help people understand the difficulties many people face when they want to vote in the United States. Based on the infamous Oregon Trail video game, see if your selected person...

General Augur, born in New York in 1821, was graduated from the United States Military Academy in 1843. During the Mexican War he served as aid-de-camp to General Hopping, and after his death to General Caleb Cushing. He was promoted...