Which statement best summarizes the relationship between the federal government and state governments?

The Federal Government of the United States is the national government of the United States, a federal republic in North America, composed of 50 states, a federal district, five major self-governing territories, and several island possessions

A state government is the government of a country subdivision in a federal form of government, which shares political power with the federal or national government. A state government may have some level of political autonomy, or be subject to the direct control of the federal government.