In 1882 Congress passed an exclusion act which prevented the immigration of workers from what country for 10 years?

In 1882, Congress passed the Chinese Exclusion Act, which specifically aimed to prevent the Immigration of Chinese workers to the United States for a period of 10 years. This legislation was the first significant law to restrict immigration based on nationality and was fueled by widespread anti-Chinese sentiment and labor competition. The act was extended multiple times and wasn't fully repealed until 1943.