Rank the three groups according to the effect that u. s. welfare state programs have had on reducing poverty for each group. then, answer the questions. greatest effect least effect answer bank which program likely does not contribute to the alleviation of poverty among the elderly in america? supplemental social security medicare food stamps earned income tax credit what is the greatest difference between tanf and afdc with regard to alleviating poverty in american families? single parents cannot receive tanf but they can receive afdc. tanf does not support families with children whereas afdc did. tanf has a time limit whereas afdc did not. afdc is for families living in cities and tanf is for rural families.