Before the American Civil War, John Brown led the abolitionist movement in the United States. In contrast to many other abolitionists, he supported taking action against slaveowners and any government officials who supported them.
When he took control of the largest Federal arsenal at Harpers Ferry, in October 1859, abolitionist John Brown forced citizens of the United States to reconsider the immorality of the institution of slavery and the injustices supported by the government.
By becoming a conductor on the Underground Railroad and establishing the League of Gileadites, a club that helped runaway slaves make it to Canada, John Brown was able to advance the abolitionist cause. In 1849, Brown moved to the free black farming community of North Elba, New York. Southerners were particularly worried about the possibility of such murderous plots. They viewed John Brown as a terrorist out to destroy their society, which strengthened support for secession. Because of their dread, many Southern states passed legislation designed to put an end to slave uprisings.
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