Foundations
Definitions, Significance, Concept Connections, Examples
John Brown’s Raid on Harpers Ferry (1859)
Definition: An armed abolitionist attempt to seize a federal arsenal and spark a slave rebellion.
Why It Matters: It heightened sectional tensions and convinced Southern elites that abolitionism
threatened their survival.
Concept Connections: Connects to causes of the Civil War, abolitionist movements, and escalating
polarization.
Example: Example: Brown was executed and became a martyr for the antislavery cause.
Lecompton Constitution (1857)
Definition: A proposed pro-slavery constitution for Kansas, produced through fraudulent political
processes.
Why It Matters: It deepened national conflict over slavery and delegitimized popular sovereignty.
Concept Connections: Connects to Kansas-Nebraska Act, Bleeding Kansas, and party realignment.
Example: Example: Eventually rejected by Congress, weakening the pro-slavery faction.
Dred Scott v. Sandford (1857)
Definition: The Supreme Court ruled that African Americans were not U.S. citizens and Congress
could not ban slavery in the territories.
Why It Matters: It invalidated the Missouri Compromise and intensified sectional division.
Concept Connections: Connects to Equal Protection’s future development, Civil War causes, and
judicial overreach.
Example: Example: Pushed the nation closer to Civil War by nationalizing slavery.
First Reconstruction (1865–1877)
Definition: The initial post–Civil War effort to rebuild the South and protect freedpeople.
Why It Matters: It failed due to violent resistance, weak federal enforcement, Supreme Court
retrenchment, and Northern fatigue.
Concept Connections: Connects to Black Codes, Jim Crow, 14th/15th Amendments, and federalism
limits.
Example: Example: Federal troops withdrew in 1877, ending protections for Black citizens.