Answer:
d. three times the cost of a low-cost food plan.
Explanation:
The U.S. poverty line is measured based on three times the cost of low-cost food plan. The people in the rural areas are considered more poor and they are provided with basic necessities. The U.S. government takes initiatives to encourage rural population to contribute their expertise and strengths in some projects. They provide welfare benefit to those who are needy and can not survive on their earnings.