In a federal system, the central (or federal) government has much more authority than in a confederal system. The central government controls more trade policy, and makes decisions about policy areas that involve interactions between states (such as highway systems).
Nationality is a legal relationship between an individual person and a state. Nationality affords the state jurisdiction over the person and affords the person the protection of the state. What these rights and duties are vary from state to state.
What is NATIONALITY? That quality or character which arises from the fact of a personâs belonging to a nation or state. Nationality determines the political status of the individual, especially with reference to allegiance; while domicile determines his civil status. Nationality arises either by birth or by naturalization.