Frederick Douglas gave a famous speech where he recognized the contributions of abolitionism, economics, morals, and slave revolts to the fight for freedom. He praised Haiti for their role in the liberation of black people worldwide. The audience's enthusiastic applause suggests a deeper force driving changes in attitudes and the need for attitude change.
The Atlantic Slave Trade mixes centuries of human bondage with violence, economics, commerce, geo-political competition, liberty, morality, injustice, revolution, tragedy and bloody reckonings. That sounds like a lot, yet this show merely scratches the surface of this enormous subject.