Category: Slavery

• The Slave Power (Pro-Slavery Conspiracy)

  This theory held that a small, wealthy class of Southern slaveholders had captured the federal government and was using the presidency, Congress, and the Supreme Court to nationalize slavery. Northern abolitionists, Free Soilers, and later Republicans argued that the “Slave Power” was not just a regional interest but an organized oligarchy working to dominate the Union through law, patronage, territorial expansion, and intimidation. The historical record clearly shows that the phrase “Slave Power” became a central element of antislavery politics and that many northerners genuinely believed slavery was being extended through a coordinated set of federal actions. Historians continue to debate how conspiratorial the claim was, but many agree that slaveholders enjoyed disproportionate national power and repeatedly bent institutions toward their interests.