Yes but in order to determine whether or not all races have equal and mental competency then we would first have to list all races and then compare intelligence data between all races. So your question requires us to get specific.The question isn't:
"What is the relative intelligence between races?"
You're a bit more clever than others here so I'll give you bonus points.
The real question is:
Did evolution leave all races with equal physical and mental competency?"
My question's a bit more general than your more specific question.
"I do not claim that every incident in the history of empire can be explained in directly economic terms. Economic interests are filtered through a political process, policies are implemented by a complex state apparatus, and the whole system generates its own momentum."
On the intelligence issue you raise, I am not aware of even a single credible study that shows a statistically significant difference. Some people have made arguments based on reported mean IQ scores, but that is an inadequate basis from which to attempt such conclusions. Unless one can show, for example, the differences are statistically significant e.g., at a 95% level of confidence, one cannot draw the general conclusion you ask about. Furthermore, IQ, itself, only explains a portion of intelligence, and that further complicates the issue.
For illustrative purposes concerning the statistical issue, the following is a hypothetical case: Let's say there are two groups: A and B. A has a mean score of 110 and B has a mean score of 105. However, A has a standard deviation of 15 points while B has a standard deviation of 12 points. 95% confidence intervals (rounded to the nearest whole number) would be as follows: A: 81 to 139; B: 81 to 129. In other words, either group's true score could fall somewhere in the ranges set forth. On account of the overlap between the two group's ranges, one cannot state that A is better than B due to A's somewhat higher mean score.
Bottom line: There are no meaningful differences. Statistical rigor, not political correctness, is the basis for reaching such a conclusion.
Clearly that explains why no houses in the world have painted interiors.
I ask the question because I don't know and obviously don't have all of the data regarding it.
Ergo, I ask here because all ya'll are the supposedly intelligent and argumentative type.
I can help in trying to answer the question, but don't think I'm going to have all the answers because that's not the nature of the inquisitive one who doesn't know.
"It ain't what they call you, it's what you answer to." - W. C. Fields