1.   State and federal law declared it was humane to save children of a doomed race.

2.   That was seen to be in their best interests, at a time when the authorities believed Aborigines were a doomed race.

3.   The government removed the children from their families because it believed Aborigines were a doomed race.

4.   The practice was seen to be in their best interests, at a time when the authorities believed Aborigines were a doomed race.