21 behoove us to act. Our duty is clear’. (Annals of Congress, II: 434-436). Two weeks later after hearing William Marbury’s Commission as a justice of the peace, John Marshall pronounced the most important decision in Supreme Court’s history. Marshall effectively amended the constitution by assuming the power of judicial review for the Supreme Court, allowing it to void an Act of Congress it deemed unconstitutional. constitution repugnant had to the the Nowhere Framers constitution in the written is American ‘that void’ a or law given Supreme Court the power to void a law. In Marbury, the Supreme Court declared both the President and Secretary of constitution, State and, guilty for the of first violating time, it the voided part of an Act of Congress (John Marshall – P-210). President Jefferson claimed in Marbury ‘Nothing in the constitution has given them the right.... to decide what laws are constitutional and what not.’ Such powers ‘would make judiciary a despotic branch.’ (Thomas Jefferson 1804, 12:162). to Abigail Adams, September 11,