Final answer:
The correct answer is b) WIC, which stands for the Special Supplemental Food Program for Women, Infants and Children, providing targeted food assistance to pregnant women, new mothers, and young children.
Step-by-step explanation:
The U.S. government assistance program that provides vouchers for food purchases to low-income pregnant women, infants, and children is the Special Supplemental Food Program for Women, Infants and Children (WIC). WIC is different from the Supplemental Nutrition Assistance Program (SNAP), often referred to as food stamps, which is a broader program providing food aid to a wide range of low-income families and individuals. The purpose of WIC is to cater specifically to the nutritional needs of pregnant women, new mothers, infants, and children up to age five.