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.
During the Gilded Ages, social problems arose such as the dominated discussions with regards to the different classes such as better, dangerous and respectable classes, which arose during the development of the US into an Industrial economy. Another Social Problem was that the described overworked individuals in the Fall River was described by the owners as sc#m of the English and Irish men.
For access to more resources, spreading ideologies (white man’s burden)