Afederal system is one where
- constitutional authority is unlimited.
- constitutional authority is divided between a national government and state governments.
- constitutional authority is centralized in a national government.
- constitutional authority is decentralized, only residing in state governments.
- constitutional authority is divided among multiple branches of the national government.

Option B.

Explanation:

Constitutional authority is divided between a national government and state governments, is the right answer.

Federalism is a form of government in which the power of a nation is distributed into two; the central governing government and constituent units (states). The democratic rules and organisations in which the endowment to administer are apportioned between national and state governments form the basis of Federalism. This notion of government emerged out of the dissatisfaction with the Articles of Confederation and the making of the Constitution.

B

Explanation:

Constitutional authority is divided between a national government and state governments, is the right answer.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.