The correct answer is - increased the number of people who have health insurance.
Explanation:
Medicare and Medicaid are the federal health insurance programs introduced during the early 60s to cover all the expenses on the health issues of people over 60 or above. It is controlled by the federal agency.
It is increased in great number since the 1960s which helps elderly people of the US to cover all the expenses they spend on their health issues and diseases.
