The United States federal system of government is one in which both the national and state governments it derive their power from the people.
4 options are:
A.only the national government it derives its power from the people is (wrong answer.)
B. Both the national and state governments derive their power from the people (is correct answer.)
C. Neither the national nor state governments derive their power from the people. (Incorrect Answer.)
D. Only the state governments derive their power from the people. (Incorrect answer.)
Hope it helped.
-Charlie