The last option. There needs to be an apostrophe in "its".
Answer: ''...should not be changed for light and transient causes''
Explanation:
Prudence is the quality of being careful such that one does not make a decision with too much haste but rather weighs the decision before making it such that the decision is not made for light or transient reasons.
In the Declaration of Independence, the Founding Fathers tried to explain that the declaration was made with prudence because with such a long lasting Government as the British, changes should not be made unless absolutely warranted and events had warranted the declaration.
I'm pretty sure you're allowed to write in First-Person, but make sure to make it clear you're writing about someone else's perspective.
Answer:
Three mixed-race girls are torn brutally from their Aboriginal mother and sent over a thousand miles away to a training camp for domestic workers as part of a government policy to integrate them into white society. Linking the camp and their distant home territory is a vast rabbit-proof fence, which stretches from one coast to another and just might help the girls find their way back.