Which of the following was a reason why the populations of poorer regions of the world suffered more often from preventable diseases such as cholera than the populations of wealthier regions?
A) More people were migrating from country to country, searching for farmland or work, spreading the disease.
B) Doctors from more affluent western countries refused to go to stricken areas because of concerns for their own safety.
C) People living in urban slums in underdeveloped countries often lacked proper sewage treatment and safe water supplies.
D) For religious reasons, laws prohibited vaccination in much of the underdeveloped world.

Question

Quizplus · Accepted Answer

People living in urban slums in underdeveloped countries often lacked proper sewage treatment and safe water supplies, which are critical for preventing diseases like cholera.

Which of the Following Was a Reason Why the Populations