Why did john brown want to seize the federal arsenalat harpers ferry?

John Brown aimed to seize the federal arsenal at Harpers Ferry to acquire weapons and ammunition to arm enslaved people and incite a rebellion against slavery in the South. He believed that by launching a violent uprising, he could ignite a larger movement to end slavery in the United States. Brown viewed the raid as a crucial step in his moral crusade against the institution of slavery, hoping to establish a stronghold for resistance. However, the raid ultimately failed and led to his capture and execution.