Final answer:
The Affordable Care Act, also known as Obamacare, aimed to provide affordable health insurance, require insurance for everyone, and reduce healthcare costs in the US.
Step-by-step explanation:
The Affordable Care Act, also known as Obamacare, was passed in 2010 to address issues with the US healthcare system. It aimed to provide all Americans with access to affordable health insurance, require everyone to have insurance, and reduce healthcare costs. The act created private insurance exchanges and offered subsidies to make insurance more affordable. However, it did not extend health insurance benefits to all US citizens, create 'Medicare for all', provide free healthcare to low-income individuals, or implement a single-payer healthcare system.