Final answer:
The subject of this question is Social Studies. OSHA was created to protect workers from physical harm in the workplace.
Step-by-step explanation:
The subject of this question is Social Studies. The Office of Safety and Health Administration (OSHA) falls under the domain of workers' safety and health regulations, which is an important aspect of Social Studies. OSHA was created to protect workers from physical harm in the workplace, setting and enforcing standards to ensure safe working conditions.