> Furthermore, whats to say that the civilization that he posits actually accomplishes feat Y is not the same race as cilivation X? Hes never said as much. In

> Furthermore, whats to say that the civilization that he posits actually accomplishes feat Y is not the same race as cilivation X? Hes never said as much. In his first book on the topic, he did specifically make the point that the advanced culture was "white", although to his credit, he hasn't explicitly repeated that since.