Slavery was always widespread; it was Westerners who saw the moral inconsistency between their self-image and owning slaves, and then fought wars with one anoth

Slavery was always widespread; it was Westerners who saw the moral inconsistency between their self-image and owning slaves, and then fought wars with one another and others to end it globally. The journey from serfdom to modern human rights was a long one, but it had a clear upward trend.