続きです。 In 1851, gold was discovered in New South Wales, Australia, by an Australian who had been in the California gold fields. Again, miners went there in great numbers. The search for gold expanded to other parts of Australia and, over the next forty years, gold rush fever spread as gold was discovered in various parts of Australia. The last big gold rush was the Klondike gold rush in Alaska. It started in 1896, when three people found gold and in eight days mined over two kilograms of the precious metal. Soon the numbers grew to thousands as the news spread. But by 1899, the gold rush was over. The discovery of gold has often had a great (advance, development, influence, levelのどれか) one the history and economy of the places where it was found. Many people were brought to the area where it was discovered and often they stayed and settled there. The economy was developed both by the mining of gold and the selling of supplies to the miners. Thus, the discovery of gold has changed many countries.
