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Manifest Destiny was the 19th-century belief that the United States was destined to expand across the North American continent, from the Atlantic to the Pacific Ocean.

The U.S benefited from this event

It significantly contributed to the civil war by reigniting the debate over slavery as new territories were acquired

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The Missouri Compromise of 1820 was an agreement aimed at resolving tensions between free and slave states.

Slave states benefited from the Missouri compromise

contributed to the war by creating deep divisions

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Mexican war stemmed from a border dispute over Texas and the U.S

The U.S benefited from this war

It significantly expanding U.S territory , Particularly in the west.

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The Compromise of 1850 was a series of laws aimed at easing tensions between the North and South over slavery.

It included admitting California as a free state, allowing popular sovereignty in New Mexico and Utah, strengthening the Fugitive Slave Act, abolishing the slave trade in Washington, D.C., and settling a border dispute between Texas and New Mexico. It temporarily reduced conflict but did not prevent the Civil War.

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The Compromise of 1850 was a series of laws aimed at resolving disputes over slavery between the North and South. It admitted California as a free state, allowed popular sovereignty in New Mexico and Utah, strengthened the Fugitive Slave Act

was a short-term political fix that ultimately worsened sectional tensions. While it bought time for the Union, it failed to provide a lasting resolution to the slavery issue.

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sectionalism in the United States was driven by increasing economic, social, and political differences between the North, South, and West

sectionalism exposed the fragility of a nation founded on conflicting principles of liberty and economic necessity. While it encouraged regional identity and self-determination, it also led to the deadliest conflict in U.S. history

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Popular sovereignty is the principle that the authority of a government is created and sustained by the consent of its people, who have the power to determine their own political and legal structures popular sovereignty allowed settlers in federal territories to decide for themselves whether to permit slavery, rather than having Congress impose a decision

popular sovereignty was a well-intended idea, it lacked a workable framework and only intensified sectional tensions. Instead of providing a peaceful compromise

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The Kansas-Nebraska Act Its main aim was to facilitate the construction of a transcontinental railroad

The Act was thus an unintended catalyst for further division and conflict within the United States, rather than the solution to the slavery

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sectionalism exposed the fragility of a nation founded on conflicting principles of liberty and economic necessity. While it encouraged regional identity and self-determination, it also led to the deadliest conflict in U.S. history

the Dred Scott decision was seen by some as a legal victory for pro-slavery forces It not only failed to settle the issue of slavery but intensified sectional conflict

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the radical abolitionist and his small group of followers seized the federal arsenal in Harpers Ferry, Virginia Brown's goal was to incite a massive slave rebellion by arming enslaved people with the weapons

Brown’s actions were extreme, but they reflected the deep divisions in the U.S. at the time. While his raid failed militarily, it succeeded in igniting a national conversation about slavery

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Lincoln won the election without carrying a single southern state. His victory signaled to many in the South that slavery was under threat, prompting South Carolina and other states to secede from the Union

election of Abraham Lincoln in 1860 was one of the most controversial and impactful elections in U.S. history.his victory as a triumph for the anti-slavery movement and a step toward limiting the expansion of slavery

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was the event that marked the beginning of the American Civil War Tensions between the North and South had been escalating over slavery

Fort Sumter wasn’t just an opening battle—it was the moment the U.S. crossed the point of no return. While tragic, it forced the nation to confront its deepest moral and political crisis,