John Brown was an abolitionist extremist who wanted to violently overthrow the slavery system. During Bleeding Kansas, he and his sons led attacks on pro-slavery citizens. He believed that his actions were a will of God, and therefore pure. ... The objective was to take supplies and arm their slave rebellion.
George W. Bush is probably the most famous example of a world leader that declared a war on terror after 9/11
Basically, you kill a lamb, paint its blood on the outside of your door, and eat unleavened bread (bread that doesn't rise). The blood tells God not to destroy an Israelite's house, and the bread signifies that the Israelites had to leave quickly.
Black identity and cultures