federal system
political system grouping several partially or totally self-governed political entities, united by a central (federal) government
Belgian federalism
system of dual sovereignty in Belgium
confederation
union of sovereign states linked by treaties, whose common government does not directly exercise its sovereignty over their territory
federalism in the United States
division of powers between national, state, tribal and local governments in the U.S.
federal level of Germany
the uppermost level of the hierarchy of the Federal Republic of Germany
federation
state consisting of a union of partially self-governing states or territories, united by a central (federal) government that exercizes directly on them its sovereign power