 However, the majority of the 193 Chinese residing in Sweetwater County by 1880 worked in the coal mines or on the railroad.The riot was the result of a combination of racial prejudice and general resentment against Union Pacific.In 1882, the Chinese Exclusion Act required that "... from and after the expiration of ninety days next after the passage of this act, and until the expiration of ten years next after the passage of this act, the coming of Chinese laborers to the United States be, and the same is hereby, suspended; and during such suspension it shall not be lawful for any Chinese laborer to come."