Information provided to a journalist on the condition that it will not be attributed to any source is considered to be __________

The system of government where all authority resides in the national government is known as:

A. cooperative federalism. B. dual federalism. C. unitary government. D. participatory government.

The _____ clause in the Constitution refers to the right of Congress to make laws appropriate for carrying out their powers

a. commerce b. full faith and credit c. implied powers d. necessary and proper e. supremacy