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government for the Northwest Territory, outlined the process for admitting a new state to the Union -
June 22, 1788, the Confederation Congress established March 9, 1789 as the date to begin operating under the Constitution. -
1820 under which Missouri was admitted to the Union as a state with slavery -
Nat Turner’s rebellion of people who were enslaved led by Nat Turner that took place in Virginia in 1831 -
In May of 1836 the House passed a resolution that automatically "tabled," or postponed action on all petitions relating to slavery without hearing them.
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Wilmot Provisoa proposal made in 1846 to prohibit slavery in the territory added to the United States as a result of the Mexican-American War. -
Mexican-American Warthe war with Mexico from 1846 to 1847 that resulted in Mexico ceding to the United States a huge region from Texas to California
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worked as an Underground Railroad conductor. She escaped slavery, alone, in the fall of 1849, when she was 27 years old. -
the agreements made in order to admit California into the Union as a state without slavery. -
Uncle Tom's Cabin tells the story of Uncle Tom, an enslaved person, depicted as saintly and dignified, noble and steadfast in his beliefs. -
when Kansas entered the Union as a free state on January 29. This era became forever known as Bleeding Kansas.
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a Supreme Court decision in 1857 that held that African Americans could never be citizens of the United States and that the Missouri Compromise was unconstitutional -
a series of political debates between Abraham Lincoln and Stephen Douglas, who were candidates in the Illinois race for U.S. senator, in which slavery was the main issue
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John Brown's raid on Harpers Ferry was an effort by abolitionist John Brown, from October 16 to 18, 1859 -
Lincoln's election thus served as the main catalyst of the American Civil War. This marked the first time that a Republican was elected president. -
South Carolina became the first state to secede from the federal Union on December 20, 1860. The victory of Abraham Lincoln in the 1860 presidential election triggered cries for disunion across the slaveholding South.
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civil wara war between opposing groups of citizens from the same country