Final answer:
OBRA commonly stands for the Omnibus Budget Reconciliation Act and is unrelated to the healthcare reforms discussed. The critical reform is the 2010 Patient Protection and Affordable Care Act (ACA), also known as Obamacare, which sought to revamp the U.S. healthcare system.
Step-by-step explanation:
OBRA commonly stands for the Omnibus Budget Reconciliation Act, but in the context of the information provided, it does not relate directly to the healthcare reforms mentioned. Instead, the key healthcare reform referred to is the Patient Protection and Affordable Care Act (ACA), also known as Obamacare. This act was signed into law in 2010 and represented a major overhaul of the U.S. healthcare system. Former President Obama's health care reform sought to increase insurance coverage and reduce healthcare costs.
Although initially controversial, it had gained majority approval by March 2022. Additionally, the Occupational Safety and Health Administration (OSHA) issued an ergonomics standard in 2000, but it was repealed by Congress in 2001, marking the first successful use of the Congressional Review Act to block a regulation.