Looks like no one added any tags here yet for you.
Manifest Destiny
Belief in U.S. continental expansion.
John L. O'Sullivan
Journalist who coined 'Manifest Destiny' in 1845.
Texas Independence
Texas gained independence before joining the U.S.
Mexican-American War
Conflict leading to U.S. territorial gains.
Oregon Territory
Land sought by U.S. for expansion.
Fifty-Four Forty or Fight
Slogan for U.S. control of Oregon.
California Gold Rush
Mass migration to California after 1848 gold discovery.
Sutter's Mill
Site where gold was discovered in 1848.
Dawes Act
1887 law dividing Native American tribal land.
Homestead Act
1862 law providing free land to settlers.
Transcontinental Railroad
Completed in 1869, connecting East and West.
Sectional Tension
Increased conflict over slavery in new states.
Compromise of 1850
Series of laws addressing slavery and territories.
Fugitive Slave Act
Required return of runaway slaves to owners.
Bleeding Kansas
Violence over slavery in Kansas territory.
Dred Scott Decision
Supreme Court ruling denying citizenship to African Americans.
Political Parties Split
Parties divided over the issue of slavery.
Whig Party Collapse
Decline of Whigs led to Republican formation.
Lincoln-Douglas Debates
Famous debates focusing on slavery's expansion.
Republican Ascendancy
Rise of Republicans culminated in Lincoln's election.
Southern Secession
Southern states left the Union fearing slavery's end.
Civil War Prelude
Tensions over slavery led to impending conflict.