Why was there a civil war in the United States and what were its results?

A weak answer stops at "Lincoln was elected, so the South seceded" — the trigger, not the cause. The election matters only against decades of sectional conflict: disputes over slavery in new territories (Missouri Compromise 1820, Compromise of 1850) and rising abolitionism. Explain that chain before showing why the South felt its slave society was unsafe.

Two errors recur. First, candidates muddle Reconstruction's dates (1865-1877) with the war itself (1861-65). Second, they assume Reconstruction simply succeeded. Its constitutional gains were real, but the equality it promised freed people was largely rolled back after federal troops withdrew in 1877, followed by segregation, sharecropping and voter suppression.

Not every slave state joined the Confederacy. The border states — Kentucky, Maryland, Missouri and Delaware — kept slavery legal yet stayed loyal to the Union, so the eleven Confederate states are not the same as "the slave states". This is why the Emancipation Proclamation (1863) freed no one in those loyal states; only the 13th Amendment (1865) abolished slavery everywhere.

Candidates often present "states' rights" and "slavery" as rival, separate causes. In fact states' rights was the constitutional argument the South used — and the specific right it defended was the right to keep and extend slavery. Treat them as linked: slavery was the substance, states' rights the legal language it was defended in.

When a question asks for the causes of the war or of secession, some candidates drift into narrating battles and campaigns. Battle detail earns no credit on a causation question, and an answer on the causes of secession should not slide into the fighting that followed. Decide what the command word asks — causes, events or results — and tie every paragraph to it.

Lincoln and the Republicans in 1860 opposed the extension of slavery, not its abolition where it existed. Candidates who say he was elected "to abolish slavery" overstate that platform and miss why his election alarmed the South: even a ban on slavery's spread threatened the balance the slave states relied on. Full abolition came later, via the 13th Amendment (1865).

A testable wrong belief. The Emancipation Proclamation (1 January 1863) declared free only enslaved people in Confederate states still in rebellion — not those in the loyal border states. Slavery was abolished across the USA only by the 13th Amendment (1865). Its significance was strategic: it recast the war as a fight against slavery and let African American men enlist.