American diplomacy under Tyler and Polk

The Northeastern Boundary Controversy

The Ashburton Treaty

The relations between Mexico and the United States concerning Texas, 1825-1840

The relations between the United States and Mexico during the Secretaryship of Daniel Webster, 1841-1843

The negotiations for Texas under Upshur

Calhoun and the attempted annexation of Texas by treaty

The annexation of Texas by joint resolution

The Northwestern Boundary Controversy

The joint occupation of Oregon

The Oregon Treaty

Polk's attempted negotiation for California

The outbreak of the Mexican War

The Treaty of Guadalupe Hidalgo, 1848.