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Mexican Cession

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US History

Definition

The Mexican Cession refers to the large swath of land ceded by Mexico to the United States following the Mexican-American War of 1846-1848. This territorial acquisition had significant implications for the expansion of the United States and the ongoing debate over the issue of slavery in the newly acquired regions.

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5 Must Know Facts For Your Next Test

  1. The Mexican Cession included present-day California, Nevada, Utah, most of Arizona, and parts of Colorado, New Mexico, and Wyoming.
  2. The acquisition of this vast territory significantly expanded the size of the United States and fueled the idea of Manifest Destiny.
  3. The Mexican Cession reignited the debate over the expansion of slavery, as the Wilmot Proviso sought to ban slavery in the newly acquired lands.
  4. The Compromise of 1850 attempted to resolve the tensions over slavery in the Mexican Cession territories, including the admission of California as a free state.
  5. The Mexican Cession played a crucial role in the lead-up to the American Civil War, as it intensified the conflict between slave-holding and non-slave-holding states.

Review Questions

  • Explain how the Mexican Cession was connected to the concept of Manifest Destiny and the expansion of the United States.
    • The Mexican Cession was a direct result of the United States' pursuit of Manifest Destiny, the belief that the country was destined to expand across the North American continent. The acquisition of this vast territory from Mexico significantly increased the size of the United States, fulfilling the vision of Manifest Destiny and solidifying the country's position as a growing global power. The Mexican Cession represented a major step in the westward expansion of the United States and the realization of the nation's perceived destiny to control the entire continent.
  • Describe the role of the Wilmot Proviso in the debate over slavery in the territories acquired through the Mexican Cession.
    • The Wilmot Proviso was a proposed amendment that sought to ban slavery in any territory acquired from Mexico during the Mexican-American War. This proposal reignited the ongoing debate over the expansion of slavery, as the newly acquired lands from the Mexican Cession were seen as potential slave-holding territories. The Wilmot Proviso represented the efforts of anti-slavery advocates to prevent the spread of slavery into the western territories, setting the stage for further conflicts over the issue of slavery in the context of the Mexican Cession.
  • Analyze the significance of the Compromise of 1850 in addressing the tensions over slavery in the territories acquired through the Mexican Cession.
    • The Compromise of 1850 was a legislative package that attempted to resolve the tensions over slavery in the territories acquired through the Mexican Cession. The compromise included the admission of California as a free state, the establishment of popular sovereignty in the remaining territories, and the implementation of a stricter Fugitive Slave Act. While the Compromise of 1850 temporarily defused the immediate crisis, it failed to provide a lasting solution to the underlying issue of slavery in the western territories. The continued debate over the status of slavery in the Mexican Cession territories was a significant factor in the lead-up to the American Civil War, as it highlighted the irreconcilable differences between the North and the South on this critical issue.
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