Respuesta :
Some of these are accountable, but the main reason the settlement boom happened is D, gold was discovered.
Answer:
A settlement boom occurred in Australia during the mid- to late-1800s because gold was discovered.
Explanation:
- During the latter half of the nineteenth century, major deposits of gold were discovered mainly in the south-eastern parts of Australia.
- This discovery of huge deposits of payable gold found in Australia reshaped the economy and the demography of the country.
- Huge populations from various parts of the world fled in and settled in the region giving rise to the establishment of more and more colonies until the late 1800s