Which of the Following Is True About the Guardian Relationship

Which of the following is true about the guardian relationship between the federal government and Indians living on reserves?

A) The Crown legally owns reserve land.
B) Virtually no commercial transaction or legal transaction of consequence can be undertaken by reserve residents without the permission of the Department of Indian Affairs.
C) Reserve inhabitants must manage the land on which they live.
D) Reserve inhabitants must manage all resources appertaining to the land on which they live.
E) All of the above