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With the aspirations to establish a stronghold for freed slaves, John Brown led a group of abolitionists to raid a U.S. military arsenal in Harpers Ferry, in what is now known as West Virginia. Eventually, on October 18, two days after the raid commenced, the word of the raid spread, and US Marines went to capture them, succeeding, leading to John Brown's capture. This led to white Southerners fearing slave rebellions and led to an increase in tension between Northerners and Southerners.