How Does the Department of Agriculture Promote the Health of U.S

How does the Department of Agriculture promote the health of U.S. citizens?

A) By collecting surplus food left after mechanical harvests and distributing it to the poor
B) By inspecting food, so no foodborne illnesses can occur
C) By collaborating with others to provide food or food stamps to needy persons
D) By providing direct education and grants to dietitians and nutritionists