Federal is defined as . A. the administration of law B. a union of states under one national government C. enthusiastic support for one’s country and way of life D. the doctrine that citizens have power to decide how country should operate

B.

Explanation:

The term 'federal' can be defined as a union of different states under one central government. A federal government or a country is the one which are allowed to make their own sets of rules or laws yet is subjected to the central government.

Under federal system of governance, states are given rights to self-rule considerably. Such system of government remains united under the national government but they can run internal afffairs independent of the central government.

An example of federal government is the United States.

Thus the correct option is B.

b: the establishment clause  

b: socialism