The Supreme Court decision in Marbury v.
Madison (1803) increased the power of the federal
courts by
(1) increasing the number of judges
(2) enabling the president to overturn lower-court
decisions
(3) establishing federal supremacy over state
governments
(4) establishing the principle of judicial review
The Supreme Court decision in Marbury v. Madison (1803) increased the power of the federal courts by "(4) establishing the principle of judicial review," since this allowed the courts to deem certain laws unconstitutional.