The California Gold Rush brought some 300,000 people to California from the rest of the United States. Hope this helps!
<span>The nation's largest railroad center was found in Chicago. Chicago is considered as the most important center of railroads in North America. Chicago has been the most significant interchange point of commercial transportation between the nation’s great railroads.</span>
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If the population stays the same, an increase in GDP grows income per capita. There are several ways to increase GDP: Education and training. Greater education and job skills allow individuals to produce more goods and services, start businesses and earn higher incomes.
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Authority needs power to work
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