Final answer:
The Patient Protection and Affordable Care Act (PPACA), also known as Obamacare, is a law signed by President Obama. It aims to achieve universal healthcare coverage in the United States by implementing various measures such as mandating health insurance, expanding Medicaid, and preventing discrimination based on pre-existing conditions.
Step-by-step explanation:
The Patient Protection and Affordable Care Act (PPACA), also known as Obamacare, is a law signed by President Obama in 2010. Its goal is to bring the United States closer to universal healthcare coverage. Some key features of the plan include requiring most Americans to have health insurance, expanding Medicaid coverage, and prohibiting insurance companies from denying coverage or charging higher premiums based on pre-existing conditions.