They promoted Africans to identify as African, not as any "clan" or "faction" so that all the different African group's could get along withing the confines of there nations, that where drawn by Europeans to look nice and don't have any historic regard to cultures or ethnic groups.
10 dillion deaths b/c the brutal rubber trade
Answer:
It created the first global economy.
Well there are monuments that honor them and they’re are many books about it. You can also visit Auschwitz and take a guided tour through the camp (Warning it’s very sad)