Manifest Destiny and Westward Expansion

The belief that the United States should remain within the original thirteen colonies

The idea that America was destined to expand its empire of liberty from the Atlantic coast to the Pacific Coast

A plan to expand only through peaceful negotiations with European powers

A movement to limit immigration to western territories

James K. Polk

Andrew Jackson

John L. O'Sullivan

Henry Clay

To secure military bases against European empires

For the free development of America's yearly multiplying millions

To end slavery in all U.S. territories

To convert Native Americans to Christianity

Treaty of Guadalupe Hidalgo (1848)

Gadsden Purchase (1854)

War for Texas Independence (1835–1836)

Indian Removal Act (1830)

Annexation of Texas (1845)

Treaty of Fort Laramie (1851)

Treaty of Guadalupe Hidalgo (1848)

California statehood (1850)

Oregon Territory acquisition

Trail of Tears (1838)

Alaska Purchase (1867)

War with Mexico (1846–1848)

Louisiana Purchase → Alaska Purchase → Gadsden Purchase

War for Texas Independence → Annexation of Texas → War with Mexico

Indian Removal Act → Treaty of Fort Laramie → Trail of Tears

California statehood → Oregon Territory → Alaska Purchase

Annexation of Texas

California statehood

Louisiana Purchase

Gadsden Purchase

Indian Removal Act

Treaty of Guadalupe Hidalgo

Compromise of 1850

Annexation of Texas

Gadsden Purchase — 1867

Alaska Purchase — 1854

California statehood — 1850

Annexation of Texas — 1830