Try searching these keywords related to issues in social welfare in the resources of this Library Guide:
adoption, child protection, child poverty, child welfare, family support, food and shelter programs, food stamps, homeless, public assistance programs, public housing, public policy, public finance, public welfare, single-income, social policy, social welfare policy, veterans
Find the actual language of your policy.
If you would like to find general information about a topic including various points of view, check out one of these databases: