The system is different in that the power comes from the who have delegated some power to their state, some power to the federal government and retained some power for themselves.

A federal system of government, such as in the United States, divides power  In addition, the U.S. Constitution grants Congress certain enumerated powers, Implied powers are not specifically mentioned in the U.S. Constitution, but are derived  the scope of what most people originally considered interstate commerce.

Explanation:

what are the options?

according to my calculation, the answer is d.