Answer:
John Brown justified his violence in the name of Abolition because he speak and support the use of armed insurrection to remove institution of slavery from power in the United States .
Step-by-step explanation:
John Brown was an American abolitionist that was born in 1800 and died in 1859. He was gain support and attention from the Americans when he lead a group who volunteers during the bleeding Kansas crisis in 1856. He was an abolitionist because he supported the use of armed insurrection to remove institution of slavery from power In the United States.