Answer Numer 2.
It can be the gold. Because around the world, approximately 10 million people work as small-scale gold miners to support their families, and livelihoods. Small-scale gold miners work long hours in harsh conditions. They are often exposed to dangerous situations. The improper handling of mercury and cyanide in the process of extracting gold sometimes causes serious health problems. So, fair trade produce them minimum price and improve thier working environment.