<span>According to William H. McNeill, one way the plague affected China after 1331 was that it reduced the population drastically and led to economic depression. </span>
Answer: To improve working conditions for workers in that union. Plz mark brainliest.
Explanation:
Because the HIV virus takes time to multiply and get established. Person might have been infected, but it not show up in tests for some time.
Both factory workers and slaves had to work long hours, and working conditions weren’t as sanitary as they are today.