The main reason(s) that the Chinese came to the United States from the 1850s until 1882 was/were to B. dig for gold and sledgehammer the tracks for the transcontinental railroad in the West.
Chinese immigration to the United States happened because of the economic chaos in China.
Another reason was that the Chinese wanted to try their hands at the Gold Rush.
However, when the Gold Rush ended, the Chinese became cheap labor for the transcontinental railroad, displacing Americans, and causing the anti-Chinese violence of the 1850s.
Thus, seeking gold and providing cheap labor were the main reasons for Chinese immigration.
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