Whitney's gin used a combination of a wire screen and small wire hooks to pull the cotton through, while brushes continuously removed the loose cotton lint to prevent jams. It revolutionized the cotton industry in the United States, but also led to growth of slavery in the American South as the demand for cotton workers rapidly increased.
Rebel slaves killed from 55 to 65 people, at least 51 being white. The rebellion was put down within a few days, but Turner survived in hiding for more than two months afterwards. There was widespread fear in the aftermath, and white militias organized in retaliation against the slaves. The state executed 56 slaves accused of being part of the rebellion, and many non-participant slaves were punished in the frenzy
John Brown's Raid
The Missouri Compromise was the legislation that provided for the admission to the United States of Maine as a free state along with Missouri as a slave state thus maintaining the balance of power between North and South in the United States Senate. As part of the compromise, slavery was prohibited north of the 36°30 parallel. Southerners objected.
Attack on Fort Sumter
The initial purpose of the Kansas-Nebraska Act was to open up thousands of new farms and make feasible a Midwestern Transcontinental Railroad. The popular sovereignty clause of the law led pro- and anti-slavery elements to flood into Kansas with the goal of voting slavery up or down resulting in Bleeding Kansas.
John Brown's Raid was an effort by armed abolitionist John Brown to initate an armed slave revolt in 1859 by taking over a United States arsenal at Harpers Ferry, Virginia. Brown's party of 22 was defeated by a company of U.S. Marines led by First Lieutenant Israel Greene. Colonel Rober E. Lee was in overall command of the operation to retake arsenal.
The Battle of Fort Sumter (April 12–13, 1861) was the bombardment of Fort Sumter near Charleston, South Carolina by the Confederate States Army, and the return gunfire and subsequent surrender by the United States Army, that started the American Civil War.