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Key Congressional Acts and Their Role in Triggering the American Civil War Essay

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Introduction

The American Civil War is an event that has been studied and discussed for centuries, with historians and scholars debating the major causes and contributing factors that led to its outbreak. The Wilmot Proviso, the Kansas-Nebraska Act, and the Compromise of 1850 are the most debated measures that triggered the conflict. This essay will assess which of these three congressional acts made the most significant contributions to the outbreak of the Civil War. The Kansas-Nebraska Act had the most significant impact in pushing the nation toward the Civil War, as it undermined the Compromise of 1850 and generated fierce political and social dissent in the North and South alike.

Wilmot Proviso

The Wilmot Proviso was one of the initial congressional actions that provoked the conflict. It was a proposal put forward by Democratic Representative David Wilmot in 1846 that would have prohibited slavery in the territories acquired from Mexico through the Mexican-American War (Conlin 29). Despite significant support from Northerners, the Proviso failed to pass Congress, and the issue of slavery in the territories became a source of contention between the North and South (Conlin 35). While the Wilmot Proviso did not pass Congress, its introduction signaled the emergence of slavery as a national issue and foreshadowed the divisions that would lead to the Civil War.

The Compromise of 1850

The failure of the Wilmot Proviso led to the passage of the Compromise of 1850. The Compromise of 1850 was an effort to address the growing tensions between the North and South over the issue of slavery in the territories. The compromise sought to balance the interests of the North and South by allowing California to be admitted as a free state while creating more stringent fugitive-slave laws (Conlin 63). The Compromise of 1850 was a short-term solution to the problem, as it generated more tensions between the opposing parties. The fugitive-slave laws turned out to be a significant point of contention between the North and the South, leading to further violence and conflict.

The Kansas-Nebraska Act

Unlike the other two congressional measures, the Kansas-Nebraska Act had the most severe and direct consequences that precipitated the Civil War. The Kansas-Nebraska Act of 1854 effectively undermined the Compromise of 1850 by allowing the residents of the territories to decide for themselves whether or not to allow slavery (Conlin 162). This act sparked a fierce backlash in the North and South alike, as both sides viewed the act as a threat to their interests. It shattered previous compromises over slavery and inspired violent conflict that further divided the nation. In the North, the Kansas-Nebraska Act was seen as an attempt to expand the institution of slavery, while in the South, it was viewed as a violation of states’ rights (Shelden 82). As a result of this act, the nation was pushed further toward the Civil War, with the North and South preparing for armed conflict.

Conclusion

Overall, the journey of the United States to the Civil War resulted from multiple occurrences, with the Kansas-Nebraska Act being the most influential in propelling the nation toward the Civil War. Although the Wilmot Proviso and the Compromise of 1850 contributed to the conflict, they were not as detrimental as the Kansas-Nebraska Act. It was a direct threat to the North’s anti-slavery positions and caused significant unrest in the territories.

Works Cited

Conlin, Michael F. The Constitutional Origins of the American Civil War. Cambridge University Press, 2019.

Shelden, Rachel. “.” Western Historical Quarterly, vol. 50, no. 1, 2019, pp. 81–82, Web.

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"Key Congressional Acts and Their Role in Triggering the American Civil War." IvyPanda, 6 Feb. 2026, ivypanda.com/essays/key-congressional-acts-and-their-role-in-triggering-the-american-civil-war/.

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IvyPanda. (2026) 'Key Congressional Acts and Their Role in Triggering the American Civil War'. 6 February.

References

IvyPanda. 2026. "Key Congressional Acts and Their Role in Triggering the American Civil War." February 6, 2026. https://ivypanda.com/essays/key-congressional-acts-and-their-role-in-triggering-the-american-civil-war/.

1. IvyPanda. "Key Congressional Acts and Their Role in Triggering the American Civil War." February 6, 2026. https://ivypanda.com/essays/key-congressional-acts-and-their-role-in-triggering-the-american-civil-war/.


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IvyPanda. "Key Congressional Acts and Their Role in Triggering the American Civil War." February 6, 2026. https://ivypanda.com/essays/key-congressional-acts-and-their-role-in-triggering-the-american-civil-war/.

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