<human>:  What year did the Chinese Exclusion Act pass?
<bot>: The Chinese Exclusion Act was passed in 1882. The Chinese Exclusion Act was a federal law that restricted immigration from China. The Chinese Exclusion Act was passed to protect American jobs from cheap labor. In 1882, Chinese immigrants accounted for about 2% of the total U.S. population. However, in 1882, Chinese immigrants accounted for about 50% of the laundry workers in the United States.