Many of the world's poor people lack access to adequate sanitation, cooking and heating fuel, clean drinking

Question:

Many of the world's poor people lack access to adequate sanitation, cooking and heating fuel, clean drinking water, health care, suitable housing, and enough food. Which two of these inadequacies would be most critical for poor people in a developing country like India? For poor people in a highly developed country like the United States? Are your answers different? Why or why not?