Answer:
water/ocean the closer you were it was easier for merchants and trades to go from (Europe I'm guessing) to the New World (also guessing) also good farm land to plant crops for food (the south was popular because it didn't get too cold in the winter and the soil was good/fertile and not rocky)
Australia is sparsely populated, pollution free zone in comparison with highly industrialized areas that's why Australia have presented itself as a superior alternative to living in industrialized England, Scotland, and Ireland
Explanation:
Australia is a country of southern hemisphere. It has completely different seasonal structure than the country of European continent. That is much favorable to live and Australia's population density is very low and it is sparsely populated where the distance between two consecutive houses are much.
Industrialization pollutes environment by emitting harmful gases in the environment and harmful pollutant through outlet of the industry. That's why Australia have presented itself as a superior alternative to living in industrialized European countries.