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after the American resolution, great Britain gives up their land stretching from the Appalachian mountains to the Mississippi river. This is what started westward expansion and overall.

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the cotton gin is created. this would increases the demand for slave labor in the south. This would cause some problems because north didn't want slavery, and south wanted slavery so that could use these cotton gin.

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Thomas Jefferson negotiated the purchase of the Louisiana territory from French leader Napoleon Bonaparte. This is a big deal because now the question of "will slavery be allowed in this new territory" has risen.

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Lewis and Clark set off from ST. louis Missouri with the corps of discovery to explore the land that Jefferson just purchased. This may not be as big a part of why there will be an American war, but helps build up to it and gives people new land to argue over.

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Boats and boating--Equipment and supplies

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America negotiated to buy the Florida territory from Spain for 5$ million. The land included Florida and parts of Alabama, Mississippi, and Louisiana, this land would be added to the union as a slave territory. This land will also be argued over being slave land and non -slave land.

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Missouri would be added to the union as a slave state. main, previous a undecided state, would now become a slave state with most of the northern states being slave states. there would soon be a line drawn between Missouri and slave land. This would create tensions between any free states and slave states. most likely resulting in the states arguing with each other.

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After Texas threatened  to become a territory of Britain, after being denied admission to the union in 1836, congress annexed Texas. This shows the start of states attempting to break off into new or existing country's an a result of the growing argument of slavery.

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Journalist john O'Sullivan coined the term manifest Destiney to describe Americas attitude toward westward expansion. this would then later be debated if this was a code word for expansion of slavery.

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After years of sharing the Oregon country, president Polk negotiated with Britain to divide the Oregon country into two parts. There is now more land to be decided on rather it will be free or slave territory.

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Brigham young led the Mormons move to salt lake city Utah. this showed the only did people want slavery to end.

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Following the Mexican-American war, America acquired the Mexican cession, a large land that compromises the southwestern region of the united states. Another part of land that is just waiting to be fought over and determined rather its free, or slave territory.

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northern and southern congressmen allow California to enter the union as a free state while Utah and new Mexico would be decide over popular sovereignty (voting). This method of popular sovereignty is not very smart because each state that is being voted for, their will be people flooding the states to vote for what they believe would be best; rather the state is a free or slave state.

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The Fugitive Slave Act was passed as part of the Compromise of 1850. This act forced any enslaved people who have been cough leaving their home/where they work to be returned if found. This was the most controversial part of the Compromise of 1850 and caused many North American Black activists to increase their efforts against enslavement.

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The border dispute between Texas and new Mexico was decide in favor of new Mexico. This could make tensions rise between pro-slaver people and non-slavery people because the Mexican cession, now open to popular sovereignty. The reason why this is something to argue is because many people believed that any states northern of the Missouri compromise line would be slave territory and southern of the line there would be free states.

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congress made the land of Nebraska and Kansas be voted on over rather the land would be free or slave (popular sovereignty). Ultimately, this would blow up in congress face as a event named "Bleeding Kansas".

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In order build a railroad from New Orleans westward to California, congress negotiated with Mexico for a small strip of land in southern Arizona and New Mexico. This would end up being a small part why there was a war but is yet another thing to be argued over. this purchase would soon be called the Gadsden purchase

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On May 21, 1856, over 700 pro-slavery “border ruffians” attacked the anti-slavery town of Lawrence. They burned down the hotel, looted homes, and destroyed the printing presses. And on May 23, 1856, John Brown, enraged by the attack on Lawrence, invaded the nearby pro-slavery town of Pottawattamie. In the dark of night, he and four of his sons dragged 5 pro-slavery men from their beds and hacked them apart with swords. This was terrible event for America, and although there was not a lot of casualties, it shows how strongly people believe in rather slaver shall be ban or allowed. This was another reason in getting closer to the resolution war because people are already hurting each other over the argument.

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this events happened during Bleeding Kansas witch was on May 21, 1856. One day later, violence occurred on the floor of the U.S. Senate. Congressman Brooks, who favored slavery, attacked Sen Charles Sumner with a cane after Sumner had given a speech. this shows how tensions are rising and both sides are ready to do whatever it takes to win.

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Dred Scott was an enslaved man who with him and his wife unsuccessfully sued for freedom for themselves and their two daughters in the case called Dred Scott v. Sandford case of 1857.

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With the election of Republican president Abraham Lincoln, Lincoln agreed with the majority of the Republican Party that the South was becoming too powerful and made it that enslavement would not be extended to any new territories or states added to the Union. This for sure got pro-slavery people mad because they want to be impowered over the anti-slave community, now however with Lincoln being president, he would not let this slide.