All the human beings are of the same in essence.I don't think Americans are basically different from our Chinese.
The biggest lie has already showed in front of the world , which is the Iraq war. A false intelligence can lead to invasion of a sovereign nation , toppling of its government or regime and numerous death of innocents.But there was no real punishment or even an apology for the false intelligence and war.
Therefore, I think the theory of Darwin should be seriously valued.