Rodney also notes that millions of slaves were taken from Africa. The Europeans did not simply show up to find them all waiting on the shores. Africa had no need for this huge amount of slave labor, but the new colonies did, which is why they traded in slaves and not gold. Some African states that did enslave other groups, even before the Europeans, didn't necessarily use them as labor but would integrate them as citizens.
The Europeans coerced many African states into engaging in the slave trade when they were otherwise reluctant, for example by playing on existing social divisions to turn groups against each other, or by refusing to trade desired European goods for anything other than slaves. Any comrade here who is curious can read "How Europe Underdeveloped Africa" by Walter Rodney.
Maybe new year resolutions?