If, then, the courts are to regard the constitution, and the constitution is superior to any ordinary act of the legislature, the constitution, and not such ordinary act, must govern the case to which they both apply.1
Which judicial principle does this passage from the Marbury v. Madison Supreme Court ruling illustrate?

A.
Supreme Court justices must be fair and impartial in their rulings.

B.
A U.S. law cannot be enforced if it conflicts with the Constitution.

C.
Judicial activism is the appropriate way to interpret the Constitution.

D.
The Supreme Court has authority over all other state and federal courts.