The program that extended health insurance to welfare recipients was

Medicaid

Explanation:

Medicaid is aimed to help people with low-income to obtain various type of medical services with lower cost. Medicaid will be managed by the states, so the services that received by the citizens might be different depending on the states where they lived in.  As per 2017, medicaid has helped around 23% of american population (or around 70 million people)

answer; all over the above; //everybody

answer; heredity ;