Federation. Or Confederation.
Confederation or Federation
divided between the central government and regional or sub-divisional governments
Federalism. A system of government in which power is divided between a central authority and constituent political units.
The U.S. Constitution
The Supreme Court.
The authority of the federal government over the state governments was settled.
federalism. Federalism is a system of government in which power is divided and shared between a central authority (federal government) and regional or local governments (state governments). This division of power helps to prevent one level of government from becoming too powerful.
The highest authority in the United States that controls the division of powers between the central and local governments is the Supreme Court. Through its interpretation of the Constitution, the Supreme Court determines the limits of power for both the federal government and state governments. Its decisions help define the balance and boundaries of power between the two levels of government.
A federal political system is characterized by the division of power between a central government and multiple regional governments. These regional governments usually have their own set of powers and responsibilities, while the central government oversees issues affecting the entire country. This system is designed to balance the authority between different levels of government while allowing for some degree of regional autonomy.
'Political' is an adjective derived from the noun 'politic/politics'. Governments are majorly involved in politics, so there is somewhat of a relationship between the two.
A 'political legal environment' is the system of government instituted by each country's central government. Think of the differences between the US-UK-German governments; all are democracies, but their governments are elected, govern, and are replaced in different ways.
In a unitary government, all powers are concentrated in one central authority while in a federal government powers are distributed between the central and state governments. Both of them enjoy coordinate powers.
A system of government in which power is divided between a central authority and constituent political units