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Popular Sovereignty and the Slavery Doctrine. The Popular Sovereignty and Slavery doctrine was first proposed in 1847 by Vice President George Dallas as a political policy that would allow the American settlers of new federal territories to decide whether to enter the Union as free or slave states.

Slavery was legalized thanks to popular sovereignty. Slavery became more despised in the northern states as a result of popular sovereignty.

Because of Popular Sovereignty, the absolute monarchy movement grew considerably stronger.

  • The nation must become either entirely slave or entirely free after Popular sovereignty.
  • The Slavery Doctrine and National Sovereignty Proposed federal territories' people must choose whether to join the Union as free or slave states.

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