A) True
They were angry at colonists for taking their land.
D. The Kansas-Nebraska Act states that slaves were only allowed in the states below a certain point. And that the number of slave states and free states must remain equal.
The interior of Australia is called Outback: the correct answer is B.
You can actually solve this question by just understanding that all the other options mention words related to the sea: coral reef, atoll, islands: so they're more likely to be on the shore of Australia, not in the middle.