Answer:
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Explanation:
<em>The Chinese Exclusion Act of 1882 was the first significant law restricting immigration into the United States. Many Americans on the West Coast attributed declining wages and economic ills to Chinese workers. Although the Chinese composed only .002 percent of the nation's population, Congress passed the exclusion act to placate worker demands and assuage prevalent concerns about maintaining white "racial purity."</em>
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Advances in technology, new industries, growth of cities and new forms of transportation.
Mexico wanted to keep texas and van Buren feared it would cause war he also didn't want to add a new state to the union that allowed slavery. people who wanted to annex Texas said it was the manifest destiny of the United states to spread from the Atlantic to the Pacific Ocean