The Nurse Travels to Nigeria with a Humanitarian Aid Organization

The nurse travels to Nigeria with a humanitarian aid organization to assess and treat members of a remote community. The children all have high levels of lead in their blood, as a result of exposure to lead dust created by gold mining. Many children are dying. The nurse has never witnessed such a phenomenon in the United States. Which are the most likely reasons for this discrepancy? (Select all that apply.)

A) Larger mining operations than in the United States
B) Lack of environmental regulations or of their enforcement
C) Lack of knowledge concerning environmental dangers
D) Weaker immune systems than in the United States
E) Need of the miners to earn a living and fewer work options