Was the United States justified in expanding to the Pacific? Manifest Destiny Was the United States justified in expanding to the Pacific?
Mexican-American War
Causes of War Dispute over Southern Border of TX Pres. Polk ordered Gen. Zachary Taylor into disputed territory Mexican troops attacked “American blood on American soil” (?) America’s first foreign war.
Treaty of Guadalupe-Hidalgo (1848) Mexico recognized Rio Grande as southern border Mexico surrendered 500,000 sq. miles for $15 mil Mexican Cession Gadsden Purchase (1853) US purchased southern portions of AZ and NM to build RR to the Pacific