Suppose In the 19th and early 20th centuries, thousands of Chinese workers migrated to the United States to fulfill labor demands, particularly in the rapidly expanding rail and mining industries. These laborers faced discrimination and harsh working conditions, which led to the formation of Chinese labor organizations and the eventual growth of Chinatowns in urban centers.
Can we infer that "Chinese workers who migrated to the United States were always welcomed and treated fairly."? Yes, no, or maybe?