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Slavery Tensions Before the Civil War

May 6, 2025

Heimler's History - Tensions of Slavery (1844 - Civil War)

Overview

  • Focus: Tension from slavery from 1844 till the Civil War
  • Key Proposal: Compromise of 1850

Background

  • Mexican-American War: Acquisition of new territories raised the issue of slavery expansion.
  • Wilmot Proviso: Proposed to prohibit slavery in any territory won; defeated in Congress.

Positions on Slavery Expansion

  1. Southern Position

    • Slavery as a constitutional right.
    • Relied on Missouri Compromise (1820) to establish boundaries for slavery.
    • Desired extension of Missouri Compromise line to the Pacific Ocean.
    • Viewed restriction of slavery as a threat to Southern economy and way of life.
  2. Free Soil Movement

    • Composed of Northern Democrats and Whigs.
    • Advocated for new territories to be free labor domains.
    • Some opposed black settlement, seeking white opportunity.
    • Included abolitionists who wanted to ban slavery everywhere.
    • Led to the formation of the Free Soil Party.
  3. Popular Sovereignty

    • Proposed that residents of territories decide on slavery.
    • Seen as a middle ground but failed to satisfy either side.
    • Increased tension rather than resolving it.

Post-Mexican American War Tensions

  • New territories (e.g., California, New Mexico) entered as free states, disrupting Senate balance.
  • Threatened Southern interests and led to calls for secession.
  • Balance in Senate crucial to allowing/dismissing anti-slavery legislation.

Compromise of 1850 (Proposed by Henry Clay)

  • Mexican Cession divided into Utah and New Mexico with popular sovereignty.
  • California admitted as a free state.
  • Slave trade banned in Washington D.C.
  • Stricter Fugitive Slave Law enforced.
  • Temporarily eased tensions but problematic Fugitive Slave Law heightened Northern resistance.

Conclusion

  • Overview of Unit 5 topic 4 of AP U.S. History.
  • Importance of understanding tensions leading to the Civil War.

  • Next Steps: Further videos on related topics in Unit 5.
  • Call to Action: Encouragement to subscribe for more educational content.

Note

  • Upcoming discussion on the complications of the Fugitive Slave Law and its impact on North-South relations.