Final answer:
The subject is Social Studies. Social Security, health and unemployment insurance, and welfare for poor families comprise the safety net in the United States.
Step-by-step explanation:
The subject of this question is Social Studies.
Social Security, health and unemployment insurance, and welfare for poor families comprise the safety net in the United States. These programs are designed to provide support and assistance to individuals and families in need. Some examples of these programs include Social Security, Medicare, Medicaid, Temporary Assistance to Needy Families (TANF), and the Supplemental Nutrition Assistance Program (SNAP).
Learn more about Social Safety Net here: