John brown intended to end which institution by his raid at harpers ferry in 1859?

John Brown wanted to end the institution of slavery by his raid at Harper Ferry. While the raid itself did not end slavery, it played a crucial role in expediting the growing tensions between the North and South leading to the Civil War. He was considered a martyr in the North after his death and the people in the South were upset that he was being idolized. His intention to end slavery had started when he was a child at the age of 12 he saw a slave owner beat a young African man with a shovel. This would help lead his ambition to end slavery. 

His belief that laws designed to the majority would succeed in aiding minorities as well