Charles had received modern education and always believed that it was not certain specific groups of people that were evil, but certain morally degenerate actions. Humans had emerged from a primitive state of raw meat consumption and blood-drinking, having gone through nature's cruel selection, and gradually developed feelings of shame, morality, dignity, love, compassion, and more.
This was civilization, and it was also shackles.
Slave traders did not possess any noble sentiments. They trafficked Beastmen as well as humans, could trade natives as well as nobles from the New Continent, and it was even possible that some slave traders dealt in the citizens of Fars or Inglima—it was just that he had not encountered any yet.
It was a sinful industry.
It should be abolished with violence.