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Slavery first began when slaves were first brought to Virginia in 1619 to help in crops like tobacco slavery was practiced in the 17th and 18th century they also helped build the foundations of a new nation

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The expansion of slavery exploded in the civil war and lasted four years followed by the war of Antietam, Chancellorsville, Gettysburg, Vicksburg, and others the Civil War was the most costliest ever fought in America it ended 1865 with 620,000 of 2.4 million soldiers killed

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Slavery, Northern abolitionists have been flooding the congress with petitions calling for the abolition or restriction of slavery. Southerns are insulted by these diatribes.

Protective Tariff adds a large tax to the price of important goods, you import large amounts of manufactured products and en up paying higher prices.

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slavery in the Americas began in the early 17th century. The majority of slaves came from Africa, these slaves were required to work in tobacco production and later on cotton. Because of the invention of cotton grin in 1793, the use of slaves in the South became their foundation. The Missouri Compromise made sure that all the New Western territories banned slavery, and because of that the Southern states took it as a threat. In 1857, Supreme Court quoted that "Negroes" were not citizens and had no rights to citizenship. Therefore, the escaped slaves were returned to their owners. Abraham was the only person that made it possible for slaves to be free because of his famous Emancipation Proclamation. But it wasn't until after Union that it was official that slaves were no longer owned.

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The Missouri Compromise was a United States federal statute devised by Henry Clay. It regulated slavery in the country's western territories by prohibiting the practice in the former Louisiana Territory north of the parallel 36°30′ north, except within the boundaries of the proposed state of Missouri.

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Dred Scott was a slave who ended up loosing his rights after the United States Supreme Court declared that no slaves or descendant of a slave could ever be a U.S Citizen.

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In the 18th century, the abolitionist movement began in the north and the country began to divide over the issue between North and South . In 1820, the Missouri Compromise banned slavery in all new western territories, which southern states saw as a threat to the institution of slavery itself. In 1857, the supreme Court decided known as the Dred Scott Decision said that Negroes were not citizens and had no rights of citizenship.

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The civil war is a fact of maintaining slavery in the southern during 1860-1861.The slavery population in united states increased in first half of nineteenth century

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Dred Scott was a former slave when his master died in Missouri. in 1846 , Scott was helped by and anti slavery lawyer who wanted to sue for Scott's freedom but was later denied that freedom when the United States Supreme Court declared that no slave or descendant of a slave could ever be a U.S citizen or even if they had been a U.S citizen The Supreme Court also ruled the Congress could not stop slavery in the newly emerging territories

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The cotton gin was and invention created by Eli Whitney in 1794 changing the face of southern agriculture making it dramatically fast and less expensive to take the seeds out of cotton and using it for textiles with the fast process of the gin farmers we able to expand their land and plant more cotton but with bigger cotton farms meant the need for more slaves

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political leaders were interested in slaves in slavery. Many of the powerful political leaders in North were much more divided about slavery issue. Senator Edwin Sumner of Massachusetts and Salmon P. Chase of Ohio were politicians. Abraham Lincoln wanted to avoid civil war. The civil war was about slavery it was also about constitutional argument over whether or not a state had right to leave the union.

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Slavery in America began in the early 17th century,  and continued for the next 250 years by colonies and states. African Americans worked in producing tobacco crops and cottons. Later in the 18th century, Abraham Lincoln convinced many Southerners that slavery would never be permitted to expand into new territories acquired by the US. During the war some slaves and Union army and navy were freed to return to their owners, but after the Union had won the war and the subsequent passage of Thirteenth Amendment to the constitution were the Americans slaves officially freed.