The Chinese Exclusion Act was passed by Congress and signed by Pres. Chester A. Arthur in 1882. The passage of the Chinese Exclusion Act was motivated by anti-Chinese sentiment particularly in the Western states which feared that Chinese immigrants would lower wages as they accepted low wages and disliked them as they threatened their social cohesion.
The answer (APEX) is: "Chinese workers took jobs for low pay in mining and railroad construction in the United States."
