Final answer:
The two smallest forms of government in the United States are county and municipal governments.
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, usually a county, and handling local issues such as law enforcement, public health, and public works. Municipal governments, also known as city or town governments, govern specific municipalities or cities and handle various local matters including zoning, parks and recreation, and local ordinances.
Learn more about Forms of government in the United States