>>>. The minimum legal marrying age for females in Tasmania was 12 until it was raised to 16 in 1942. <<<
In 1942 Aborigines were still in commune areas and
The 'White Australia Policy' remained in force until the 1950s. In the 1950s and 1960s there was a gradual easing of the Immigration Restriction Act, participation in the Colombo Plan and the adoption of a less Eurocentric attitude to immigration. It was not until 1973 when the White Australia Policy was abandoned.
>> ultimately they cannot change the flow of social attitudes<<