@cecild84 I can't imagine the long term impact of the human suffering. But that was 150 years ago. They are dead. Remember this story, but Fighting ghosts won't help the Congo. Do what's best for the country not what is emotionally satisfying.
The West especially the Europeans knew that Nigeria might become a world power that will liberate all other countries in Africa if not checked, so they did everything to make Nigeria still dependent on their aids.