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It was a territorial organic act that created the territories of Kansas and Nebraska. -
John Brown's raid on Harpers Ferry was to initiate a slave revolt in Southern states by taking over the United States arsenal at Harpers Ferry, Virginia. -
It was the United States presidential election. -
Fort Sumter is a sea fort built on an artificial island protecting Charleston, South Carolina, from naval invasion. -
It was the first major battle of the American Civil War. -
It was a presidential proclamation and executive order issued by United States President Abraham Lincoln.