The Aryans had stayed pure longer and it was not until more recent times that they had mixed. It was this mixing of races that would lead to man's downfall.[7] This idea of racial "confusion" was taken up by the Nazi ideologue Alfred Rosenberg.[8] It was used by the Nazis to perpetuate the idea that the Jews were going to destroy Germany.[7] [citation needed] The term semiticization was first used by Gobineau to label the blurring of racial distinctions that, in his view, had occurred in the Middle East.