Medicare:Medicare is a federal health insurance program in the United States that provides coverage for individuals aged 65 and older, as well as some younger people with disabilities.
CHIP (Children's Health Insurance Program): CHIP is a federal-state partnership program that provides low-cost health coverage to children in families that earn too much income to qualify for Medicaid.
Affordable Care Act (ACA): The Affordable Care Act, also known as Obamacare, is a federal law that expanded access to health insurance coverage, including through the expansion of Medicaid in many states.