President James K. Polk

Definition

James K. Polk served as the 11th president of United States from 1845-1849. He is known for his policy of westward expansion which led to U.S acquiring California and much territory in Southwest after winning Mexican-American war.

Related terms

Annexation of Texas: The act where U.S incorporated Republic of Texas into Union as State in 1845 during Polk's presidency.

Oregon Treaty: An agreement signed under Polk's administration between Britain and America that settled boundary dispute over Oregon territory.

Manifest Destiny: Again, this term is relevant as it was the belief that drove Polk's expansionist policies.