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Suddenly cotton became a lucrative crop and a major export for the South. However, because of this increased demand, many more slaves were needed to grow cotton and harvest the fields. Slave ownership became a fiery national issue and eventually led to the Civil War.

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Became the third president of the untied states and presided over the South's creation of its own armed forces and acquisition of weapons

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Thomas Jefferson buys the Louisiana Territory from France for $15 million. This doubles the size of the United States and provides a large area. This Led to the civil war

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Explorers Lewis and Clark map out areas of the Louisiana Purchase and eventually reach the Pacific Ocean. This Led to the civil war

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Erie Canal had a major impact on the outcome of the American Civil War by transporting food and material and strengthened economic and social ties between the northeastern seaboard and the Midwest led to the civil war

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Congress makes a law to move Native Americans from the Southeast to the west of the Mississippi River.

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Nat Turner's Rebellion, also known as the Southampton Insurrection, was a rebellion of enslaved Virginians that took place in Southampton County, Virginia, in August 1831, led by Nat Turner. The rebels killed between 55 and 65 people, at least 51 of whom were White.

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Mexican troops attack the Alamo Mission killing all but two Texans. This spurs the Texans on in the Texas Revolution.

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The Cherokee Nation is forced to march from the east coast to Oklahoma. Many thousands die along the way.

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People begin to travel west in wagon trains on the Oregon Trail. Around 300,000 people would take the trail over the next 20 years.

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Journalist John O'Sullivan first uses the term "Manifest Destiny" to describe the westward expansion of the United States.

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Territories obtained in the Mexican American War of 1848 caused further sectional strife over the expansion of slavery in the ante bellum period. ... The ideological seeds of the American Civil War, in turn, were sown during that conflict.

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Territories obtained in the Mexican American War of 1848 caused further sectional strife over the expansion of slavery in the ante bellum period. ... The ideological seeds of the American Civil War, in turn, were sown during that conflict.

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James Marshall discovers gold at Sutter's Mill. Soon word is out and people rush to California to strike it rich.

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The Fugitive Slave Act was made as apart of the Compromise of 1850. This act forced any federal official who did not arrest a freedom seeker to pay a fine. This was the most controversial part of the Compromise of 1850 and caused many North Americans to increase efforts against slavery.

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In 1854, the Kansas Nebraska Act was passed allowing the Kansas and Nebraska territories to decide for themselves using popular sovereignty (voting) whether they wanted to be free or practice enslavement. By 1856, Kansas had become such a violent state to the point where it was nicknamed "Bleeding Kansas"

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Charles Sumner Attacked By Preston Brooks On the U.S. Senate floor

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Charles Sumner Attacked By Preston Brooks On the U.S. Senate floor

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Violence occurred on the floor of the U.S. Senate. Congressman Preston Brooks, who favored enslavement, attacked Sen. Charles Sumner with a cane after Sumner had given a speech condemning the pro-enslavement forces for the violence occurring in Kansas.

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The Dred Scott case, also known as Dred Scott v. Sandford, was a decade-long fight for freedom by a Black enslaved man named Dred Scott. The case persisted through several courts and ultimately reached the U.S. Supreme Court, whose decision incensed abolitionists, gave momentum to the anti-slavery movement and served as a stepping stone to the Civil War.

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Abrahams election was the tipping point into sending the nation into war.

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The U.S. government offers up free land to farmers who agree to live on the land for five years and make improvements to the land. Many people rush to places like Oklahoma to claim their lannd.