Final answer:
County and municipal governments are the two smallest forms of government in the United States, with county governments governing specific geographic areas within a state and municipal governments governing cities or towns within a county.
Step-by-step explanation:
The two smallest forms of government in the United States are county and municipal governments.
County governments are responsible for governing a specific geographic area within a state, usually divided into smaller subdivisions called counties. They handle local matters such as law enforcement, public safety, waste management, and public infrastructure.
Municipal governments, on the other hand, govern cities or towns within a county. They have more specific jurisdiction over local matters like zoning regulations, public transportation, local schools, and city services.
Learn more about Forms of government in the United States