After the First World War, however, it became apparent that the number of mixed-race people was growing at a faster rate than the white population, and by 1930 fear of the "half-caste menace" undermining the White Australia ideal from within was being taken as a serious concern. Dr. Cecil Cook, the Northern Territory Protector of Natives, noted that:
ఈ ప్రత్యేక భయాన్ని ఎవరు గమనించారు?
Dr. Cecil Cook