Constantine allowed Christianity to become a religion. Other emperors made Christianity the main religion
The original group of people living in Australia was known as the Aborigines. The British Empire claimed Australia around the same time the United States claimed independence. The discovery of gold in the early 1950s started a gold rush that movement of people to Australia. In 1901 the Commonwealth of Australia was formed and made it an independent Country.
The effect is that they had to rebuild all the things to make a town again.
I'm pretty sure the answer is D. poor working conditions, because people back then were very serious when it came to working, since they needed the money badly. All of the other answer choices are factors that led to the Great Depression.