What is the main function of the North Carolina Department of Health and Human Services?

The North Carolina Department of Health and Human Services plays a crucial role in overseeing public health and social services within the state. This department is responsible for a wide range of functions that support the health and welfare of North Carolina residents. Its mission includes promoting health through disease control, improving access to healthcare, and providing essential social services such as assistance for low-income families and support for individuals with disabilities.

This designation encompasses areas like mental health services, substance abuse treatment, and child welfare programs, ensuring a comprehensive approach to public health and support. The department collaborates with various state agencies and community organizations to enhance the overall well-being of the population, making its oversight of health services and social support systems integral to the state's governance and services.

The other options presented do not align with the primary functions of the Department of Health and Human Services, as they pertain to different domains such as education systems, environmental protection, and transportation infrastructure, which fall under the purview of other governmental departments and agencies in North Carolina.