On this day in 1882, U.S. President Chester A. Arthur signed the Chinese Exclusion Act, which banned the immigration of Chinese laborers for 10 years, though Congress later extended it. Listen to the episode on the Rock Springs Massacre here: https://www.iheart.com/podcast/105-this-day-in-history-class-29520957/episode/rock-springs-massacre-september-2-48682206/