Curated OER
Etc: The Territory of the United States, 1846 1848
A map showing the territory of the United States after the annexation of Texas in 1845, and the acquisition of the Oregon Country by treaty with Great Britain in 1846. The map is color-coded to show the possessions of the United States,...
Curated OER
Etc: Territorial Development of the United States, 1783 1867
A map of the United States showing the growth of the nation from 1783-1867. The map is color-coded to show the thirteen original states, the territory acquired by conquest during the revolution and the Treaty of 1783, the Louisiana...
US National Archives
Nara: Teaching With Documents: Lincoln's Spot Resolutions
This "Teaching with Documents" lesson on Lincoln's spot resolutions explores the Mexican War, Lincoln's questioning of the propriety of the war, and the power of the U.S. President at that time. Content includes extensive historical...