Final answer:
The Department of Health and Human Services (HHS) is the federal department in the US that protects the health of all Americans and provides essential human services. It offers major services such as healthcare, public health, and social services. Option c.
Step-by-step explanation:
The federal department in the US that is the government's principal agency for protecting the health of all Americans and for providing essential human services, especially to those who are least able to help themselves, is the Department of Health and Human Services (HHS). This department provides a wide range of major services, including healthcare, public health, and social services.
One major service provided by the Department of Health and Human Services is healthcare. It oversees programs like Medicare and Medicaid, which offer healthcare coverage to eligible individuals and families. The department also plays a key role in public health, working to prevent diseases and promote healthy behaviors through initiatives such as disease surveillance and education campaigns.
The Department of Health and Human Services also provides social services to help those in need. This includes programs like Temporary Assistance for Needy Families (TANF), which offers financial assistance to low-income families, and the Supplemental Nutrition Assistance Program (SNAP), which provides food support to eligible individuals and families.