Answer:
to initiate a slave revolt in Southern states by taking over the United States arsenal at Harpers Ferry, Virginia
Step-by-step explanation:
John Brown's raid on Harpers Ferry was an effort by abolitionist John Brown, from October 16 to 18, 1859, to initiate a slave revolt in Southern states by taking over the United States arsenal at Harpers Ferry, Virginia (since 1863, West Virginia).
OR
John Brown was an American abolitionist who played a significant role in the lead-up to the American Civil War. He was born on May 9, 1800, in Torrington, Connecticut, and he became a fervent advocate for the abolition of slavery in the United States