Federalism is a political concept in which a group of members are bound together by covenant (Latin: foedus , covenant ) with a governing representative head . The term "federalism" is also used to describe a system of government in which sovereignty is constitutionally divided between a central governing authority and constituent political units (such as states or provinces). Federalism is a system based upon democratic rules and institutions in which the power to govern is shared between national and provincial/state governments, creating what is often called a federation . Proponents are often called federalists .
There are many other Federal Government services and activities, including protection of natural resources, environmental protection, and maintenance of recreation areas and public lands. In addition, there is assistance to foreign countries, disaster relief and community and regional development. Other government services are energy research, development, and conservation, and space exploration and other scientific research. The Government must pay for its administrative activities, along with Federal law enforcement and Federal prisons, payments to the Postal Service, aid to small businesses, and mortgage financing insurance. Finally, the Government provides funds for crop subsidies, agricultural research, and conservation of farmland.