Assuming yоu аre creаting аn оutline оf the paragraph below, identify the main idea—the sentence that would begin your outline. The main idea may appear anywhere in the paragraph. In the space provided, write only the number of the sentence that states the main idea. 1In the 1800s, the discovery of gold in California created images of “striking it rich.” 2Lured by these images, thousands of men moved west, dreaming of making their fortune by working in the mines. 3In reality, retrieving minerals from rock was difficult, expensive, and dangerous. 4A successful mine required a large labor force, industrial tools, and railroad links. 5Miners worked far below the earth’s surface in poorly ventilated tunnels, with no means for removing human or animal waste. 6Temperatures could reach as high as 120 degrees. 7Accidents were part of the job, which depended on blasting equipment and industrial machinery. 8In 1884, a Montana miner drilled into an unexploded dynamite charge and lost his eyes and ears. 9He received no compensation, for the court decided that the accident “was the result of an unforeseen and unavoidable accident incident to the risk of mining.”