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Cotton Gin
The yield of raw cotton doubled each decade after 1800. The cotton gin needed more slaves in order to double it up -
Underground Railroad
Harriet Tubman made 19 trips in the south and helped 300 slaves escape to the north -
compromise of 1850
They wanted to determine slavery status by popular sovereignty -
The Kansas-Nebraska Act
They could not split territories in half -
Republican party was formed
The party was formed to restore the union to it's mission of champion and promulgator of liberty rather than propagandist of slavery. -
Presidential election
Abraham Lincoln won the election and the south declared that the union was now subsisting between the south carolina and other states under the USA is now dissolved
