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🇺🇸AP US History Unit 5 Review

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5.7 Election of 1860 and Secession

🇺🇸AP US History
Unit 5 Review

5.7 Election of 1860 and Secession

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025
🇺🇸AP US History
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As the Election of 1860 approached, it became clear that the country was more deeply divided than ever over the issue of slavery in the territories. The election would prove to be a turning point in American history, leading directly to Southern secession and the Civil War.
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The Lincoln-Douglas Debates

Though occurring two years before the presidential election, the famous debates between Abraham Lincoln and Stephen Douglas set the stage for the political conflicts that would dominate the 1860 campaign.

Occurred during 1858 Illinois Senate race Republican Abraham Lincoln challenged Democratic Senator Stephen Douglas Huge crowds (up to 12,000 people) attended the debates Main topics: slavery, popular sovereignty, and territorial expansion Debates received national newspaper coverage Lincoln was not an abolitionist but opposed slavery expansion Lincoln's "House Divided" speech warned the nation couldn't remain half-slave and half-free Douglas responded with the "Freeport Doctrine" Claimed territories could effectively exclude slavery by not passing laws to protect it Douglas won the Senate seat, but Lincoln emerged as a national figure Debates highlighted the fundamental disagreements dividing the nation

The Fractured Election of 1860

The presidential election of 1860 reflected the deep divisions in American society, with four candidates representing different solutions to the slavery question.

Presidential Candidates of 1860

CandidatePartyPosition on SlaveryElectoral Votes
Abraham LincolnRepublicanOpposed expansion of slavery into territories180
Stephen DouglasNorthern DemocratAdvocated popular sovereignty12
John C. BreckinridgeSouthern DemocratSupported slavery expansion72
John BellConstitutional UnionAvoided slavery issue, focused on preserving Union39

Lincoln was known for: Serving as congressman from Illinois in 1840s Opposing Mexican-American War 1858 debates with Stephen Douglas Personal opposition to slavery while holding views on race that were common at the time Political opposition to slavery's westward expansion

Lincoln won with only 40% of popular vote Did not appear on ballots in most Southern states Won without a single electoral vote from the South

“A house divided against itself cannot stand. I believe this government cannot endure, permanently half slave and half free. I do not expect the Union to be dissolved—I do not expect the house to fall—but I do expect it will cease to be divided. It will become all one thing, or all the other." - Abraham Lincoln

Final Attempts at Compromise

As the threat of Southern secession grew following Lincoln's election, desperate efforts were made to find a compromise that would preserve the Union.

Crittenden Compromise proposed: Extending Missouri Compromise line (36°30' parallel) to California Constitutional amendment to protect slavery where it existed Stronger enforcement of Fugitive Slave Act Slavery would be illegal in territories north of the line, permitted south of it

Compromise failed because: Northern politicians opposed guaranteeing slavery south of the line Southern politicians rejected restrictions north of the line Republicans, including Lincoln, refused to allow slavery's expansion Many Southerners no longer trusted Northern promises

Secession Begins

Lincoln's victory, without any Southern electoral support, convinced many Southerners that their influence in the Union had ended and that secession was their only option.

South Carolina was first to secede (December 1860) Six more states followed by February 1861 (before Lincoln's inauguration): Mississippi, Florida, Alabama, Georgia, Louisiana, and Texas These seven "Deep South" states formed the Confederate States of America Jefferson Davis selected as President of the Confederacy Confederate constitution explicitly protected slavery Seceding states issued declarations citing protection of slavery as primary reason Many declarations explicitly mentioned white supremacy as a foundation of their new government

The Start of the Civil War

After months of tension, the conflict finally erupted when Confederate forces attacked a Federal installation in South Carolina.

Lincoln waited for the South to make the first move On April 12, 1861, Confederate forces attacked Fort Sumter in Charleston harbor Federal garrison surrendered after 34 hours of bombardment Lincoln called for 75,000 volunteers to put down the rebellion This call for troops triggered secession of four more "Upper South" states: Virginia, Arkansas, Tennessee, and North Carolina These states opposed using military force against the Deep South Fort Sumter became known as the site of first shots of the Civil War

Lincoln's election without Southern support revealed how sectional the American political system had become. Despite last-minute compromise attempts, the fundamental disagreements over slavery and states' rights proved too great to resolve through normal political channels. The Confederate states, convinced that their way of life was threatened, chose to leave the Union rather than accept a Republican president, setting in motion the bloodiest conflict in American history.

Frequently Asked Questions

What happened in the 1860 election and why was it so important?

In 1860 the presidential race fractured into four regional tickets: Abraham Lincoln (Republican), Stephen A. Douglas (Northern Democrat), John C. Breckinridge (Southern Democrat), and John Bell (Constitutional Union). Lincoln won the presidency with a majority of electoral votes but no Southern electoral support—he didn’t appear on most Southern ballots. His victory on the Republicans’ free-soil platform convinced many Southern leaders that they’d lost political power. Starting with South Carolina in December 1860, most slave states held secession conventions and left the Union, forming the Confederate States of America (Jefferson Davis president). Attempts like the Crittenden Compromise failed; tensions over Fort Sumter in April 1861 triggered open hostilities and the Civil War. For AP purposes, emphasize Lincoln’s sectional electoral map, the split Democratic Party, and how his election directly precipitated secession (CED KC-5.2.II.D). Want a quick refresher? See the Topic 5.7 study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa) and practice questions (https://library.fiveable.me/practice/ap-us-history).

Why did Lincoln win without getting any Southern votes?

Lincoln won because the election was sectional and fragmented—not because he had Southern support. The Democratic Party split (Northern Douglas vs. Southern Breckinridge) and a fourth candidate, John Bell, divided the rest. Republicans ran on a free-soil platform and were strongest in the populous Northern states, where Lincoln won pluralities and therefore all their electoral votes under the Electoral College. Republicans were also often not even on the ballot in many Deep South states, so he got virtually no Southern popular or electoral votes. Those Northern victories gave Lincoln an Electoral College majority even without any Southern electors, and his win convinced slaveholding states that they’d lost influence—triggering secession (CED Topic 5.7 keywords: Lincoln, Republican Party, Douglas, Breckinridge, Bell, Secession). For a clear AP-level review, see the Topic 5.7 study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa) and practice questions (https://library.fiveable.me/practice/ap-us-history).

What was the Republicans' free-soil platform exactly?

The Republicans’ 1860 free-soil platform meant they opposed the expansion of slavery into the territories (not immediate abolition where it already existed). It insisted the “normal condition” of U.S. territory was freedom and that neither Congress nor territorial governments could legally create slavery there—a direct response to Kansas–Nebraska/popular sovereignty and Dred Scott. The platform fused free-soil ideas with “free labor” ideology: public lands and new territories should be open to independent white farmers, wage labor, and economic opportunity, not slave plantations. That’s why Lincoln won no Southern electoral votes but carried the North. For AP exam use: this connects to KC-5.2.II.D and Learning Objective H (effects of Lincoln’s election/secession). Review the Topic 5.7 study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa) and practice questions (https://library.fiveable.me/practice/ap-us-history).

How did Lincoln's election cause the Civil War to start?

Lincoln’s election in 1860 caused the Civil War by tipping the balance of power and triggering secession. He won on the Republican free-soil platform without a single Southern electoral vote, proving Southern voters they no longer controlled the presidency (CED: KC-5.2.II.D). Slaveholding leaders feared the federal government would block slavery’s expansion and eventually threaten slavery itself, so state secession conventions met (South Carolina left Dec. 20, 1860) and most Deep South states formed the Confederate States of America. After months of failed compromises (e.g., Crittenden proposals) and a breakdown in negotiation, the Confederacy’s seizure of federal forts (Fort Sumter, April 1861) led to open hostilities and the war. For the AP exam, link this to Learning Objective H (describe effects of Lincoln’s election). Review this topic’s study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa) and practice questions (https://library.fiveable.me/practice/ap-us-history).

What's the difference between secession and just being mad about an election?

Being mad about an election is an emotional or political reaction—people complain, protest, or work to win next time. Secession is a formal, legal-political step: a state declaring it will leave the United States and no longer follow federal authority. In 1860 that difference mattered: Southern states didn’t just gripe about Lincoln’s win; they held secession conventions, passed ordinances of secession, and organized the Confederate States of America (CED keywords: secession conventions, Confederate States of America). Secession aimed to change the country’s constitutional order; it led to disputes over federal property (Fort Sumter), failed compromises (Crittenden Compromise), and ultimately war. For AP purposes, focus on cause → action → consequence: Lincoln’s 1860 victory (no Southern electoral votes) triggered the secession crisis and precipitated the Civil War (Topic 5.7). For a concise topic review, see the Fiveable study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa) and practice questions (https://library.fiveable.me/practice/ap-us-history).

Which states seceded first after Lincoln won and why those specific ones?

South Carolina led the way—it seceded on December 20, 1860—followed in quick order by Mississippi, Florida, Alabama, Georgia, Louisiana, and Texas (Dec 1860–Feb 1861). Those states went first because Lincoln won on a Republican free-soil platform without any Southern electoral votes, which Southern elites saw as an immediate threat to slavery, political power, and their social order (CED KC-5.2.II.D). South Carolina had the strongest secessionist tradition and a state convention ready to act; neighboring Deep South states shared similar economies tied to cotton and slavery, so they coordinated secession and then formed the Confederate States of America in February 1861. For AP review, focus on Lincoln’s victory → secession crisis → Confederacy formation as a direct effect of the Election of 1860 (see the Topic 5.7 study guide: https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa). Need practice? Try Fiveable’s APUSH practice problems (https://library.fiveable.me/practice/ap-us-history).

I'm confused about how one election could literally break apart the whole country - can someone explain?

Short answer: Lincoln’s election in 1860 shattered the fragile political balance because he won the presidency without a single Southern electoral vote, proving the sectional split in power. The Republican platform opposed the expansion of slavery (free-soil stance), and Southern leaders felt they’d lost influence in national politics and feared federal limits on slavery—especially after events like Dred Scott and John Brown’s raid hardened opinions. Between Dec 1860 and spring 1861, Southern states held secession conventions (South Carolina first) and formed the Confederate States of America with leaders like Alexander H. Stephens. Those secessions—precipitated by the election’s regional outcome and failed political compromises (e.g., Crittenden proposals)—led directly to the Fort Sumter crisis and the Civil War. For the AP exam, remember LO H: describe Lincoln’s election’s effects (no Southern electoral votes → secession). Review the Topic 5.7 study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa) and practice questions (https://library.fiveable.me/practice/ap-us-history).

What were the contested debates about secession that happened after the election?

After Lincoln won with zero Southern electoral votes, leaders argued fiercely over whether and how states could secede. Debates focused on three things: legality, timing, and compromise. Fire-eaters pushed immediate secession (South Carolina led, Dec 1860), while moderates urged waiting to see Lincoln’s policies. Constitutional and Dred Scott–era arguments were used to claim states’ rights to leave; Unionists (especially in border states) argued secession was illegal. Congress and states tried last-minute fixes—most notably the Crittenden Compromise (constitutional protections for slavery in certain territories)—but Republicans rejected extending slavery. Secession conventions formalized exits; Confederate leaders (e.g., Alexander H. Stephens) framed a new government. The crisis over Fort Sumter then made conflict inevitable. For the AP prompt you’ll likely need to connect Lincoln’s election to this secession crisis and the failed compromises (CED Topic 5.7, LO H). Review the topic study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa) and practice questions (https://library.fiveable.me/practice/ap-us-history).

How do I write a DBQ essay about the causes of secession using the 1860 election?

Start with a clear thesis linking Lincoln’s 1860 victory to secession—make a line of reasoning (e.g., political realignment + Southern fear of lost slave power produced secession). Contextualize briefly: Kansas-Nebraska, Dred Scott, sectional tensions, and Republicans’ free-soil platform. Use at least four documents to support sub-claims: party platforms and election returns to show polarization, Southern secession convention statements (SC declaration) to show immediate motives, newspaper cartoons/press to show public opinion, and congressional debates/Crittenden proposals to show failed compromises. For two documents explain POV—who wrote it and why that matters (e.g., a Southern governor’s secession speech vs. Republican platform). Add 1+ piece of outside evidence (SC seceded Dec 1860; Lincoln won 180 electoral votes w/ zero Southern electors) and show complexity by weighing political, economic, and ideological causes. Remember DBQ rules: thesis, contextualization, use 4+ docs, source analysis for two docs, outside evidence, and demonstrate complex understanding (see Topic 5.7 study guide for help: https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa). For more practice, use Fiveable’s unit review (https://library.fiveable.me/ap-us-history/unit-5) and 1000+ practice questions (https://library.fiveable.me/practice/ap-us-history).

Did Lincoln actually do anything to make the South want to leave or was it just his election?

Short answer: Lincoln’s election was the immediate trigger, but not the only cause. He ran on a Republican free-soil platform that opposed the expansion of slavery (not an immediate national abolition), and Southern leaders saw his victory with zero Southern electoral votes as proof they’d lost political power and influence over future decisions about slavery. That perceived loss—plus decades of sectional conflict (Dred Scott, Kansas-Nebraska, etc.)—pushed most Deep South states to call secession conventions after the November 1860 results. Lincoln himself hadn’t taken federal actions to abolish slavery before the election; the secession crisis came from Southern reactions to his win and long-term fears about slavery’s future. (See Topic 5.7: Election of 1860 and Secession study guide for the CED-aligned rundown: https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa.) For AP exam prep, be ready to describe the effects of Lincoln’s election (CED LO H) and connect it to secession conventions, the Crittenden Compromise attempts, and Fort Sumter as the war’s precipitating events. For practice, try more questions at Fiveable (https://library.fiveable.me/practice/ap-us-history).

What does "precipitating the Civil War" mean in terms of Lincoln's election?

“Precipitating the Civil War” means Lincoln’s election was the immediate trigger that set off secession and the chain of events leading to war—not the only long-term cause. In 1860 Lincoln won with almost no Southern electoral votes on a Republican free-soil platform (CED KC-5.2.II.D). Southern leaders saw his victory as a threat to slavery’s expansion, called secession conventions (beginning with South Carolina), and formed the Confederate States. Political compromises (like the Crittenden Compromise) failed, and the crisis turned violent at Fort Sumter in April 1861. For AP purposes, you should be able to describe these effects (LO H): Lincoln’s win → secession crisis → failed compromise → outbreak of hostilities. Review the Topic 5.7 study guide for timelines and key names (Lincoln, Breckinridge, Bell, Douglas, Alexander H. Stephens) (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa). Practice related DBQ/LEQ skills and multiple-choice questions at (https://library.fiveable.me/practice/ap-us-history).

Why didn't any Southern states vote for Lincoln if he was going to be their president too?

Lincoln won zero Southern electoral votes because the 1860 election was deeply sectional. Northern Republicans ran on a free-soil platform opposing the spread of slavery; that made Lincoln unacceptable to most Southern voters and politicians (KC-5.2.II.D). In many Southern states his name wasn’t even on the ballot, and Southern Democrats split the rest of the vote between Breckinridge, Bell, and Douglas—so Lincoln carried the North, won the Electoral College, and lost every Slave State. His victory convinced many slave states their influence in the Union was gone, triggering secession conventions (e.g., South Carolina) and the secession crisis that led to the Civil War. For a quick review of this topic, check the Topic 5.7 study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa). If you want more practice on elections and sectionalism, try the practice question bank (https://library.fiveable.me/practice/ap-us-history).

What's the connection between the 1860 election and all the sectional tensions we learned about earlier?

The 1860 election was the tipping point for tensions that had been building for decades. Lincoln won on a Republican free-soil platform without a single Southern electoral vote, which showed Southern leaders they’d lost power in national politics (CED KC-5.2.II.D). That outcome came after disputes over the Missouri Compromise, Compromise of 1850, Fugitive Slave laws, the Kansas–Nebraska Act (popular sovereignty), and Dred Scott—issues that made North and South see very different futures for slavery and expansion. Southern elites feared federal limits on slavery and loss of political influence, so states held secession conventions (South Carolina first) and formed the Confederate States; Fort Sumter then precipitated war. For AP prep, this links directly to Learning Objective H: “Describe the effects of Lincoln’s election.” Review this topic on Fiveable’s study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa) and try related practice questions (https://library.fiveable.me/practice/ap-us-history).

Were there other candidates besides Lincoln in 1860 and what did they believe?

Yes. Four main candidates split the vote in 1860: - Abraham Lincoln (Republican)—ran on a free-soil/anti-slavery-expansion platform: stop slavery’s spread into western territories (he still promised not to immediately abolish slavery where it already existed). His win got no Southern electoral votes and triggered secession. - Stephen A. Douglas (Northern Democrat)—backed popular sovereignty: let territories decide slavery by vote. He opposed a national slave code and appealed to Northern Democrats. - John C. Breckinridge (Southern Democrat)—supported federal protection of slavery in the territories and insisted slaveholders’ rights be guaranteed nationwide. - John Bell (Constitutional Union)—focused on preserving the Union and enforcing the Constitution, avoiding a firm stance on slavery to attract moderates in border states. Knowing these positions helps explain why Lincoln’s victory (Republican free-soil) led many Southern states to secede (CED keywords: Election of 1860, Secession crisis, Stephen A. Douglas, John C. Breckinridge, John Bell). For a topic review see the AP Topic 5.7 study guide (https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa) and practice questions (https://library.fiveable.me/practice/ap-us-history).

How long did it take between Lincoln's election and states actually seceding?

Lincoln won on November 6, 1860. South Carolina voted to secede first on December 20, 1860—about six weeks later. Between December 1860 and February 1861 six more slave states (Mississippi, Florida, Alabama, Georgia, Louisiana, Texas) also seceded; those seven Deep South states left before Lincoln’s March 4, 1861 inauguration. The Confederate States of America formed in early February 1861. Open hostilities didn’t begin until Fort Sumter in April 1861; after that, Arkansas, North Carolina, and Tennessee seceded (spring–summer 1861). So: from election to the first secession = ~6 weeks; from election to most initial secessions = ~2–3 months; to full Confederate formation = ~3 months. This sequence is exactly what the CED expects you to know for Topic 5.7 (see the Fiveable study guide for Election of 1860 and Secession: https://library.fiveable.me/ap-us-history/unit-5/election-1860-secession/study-guide/6wnMakCgnFOoTG2IEnSa). For practice, try questions at https://library.fiveable.me/practice/ap-us-history.