What form of checks and balances was established in the federal government by the 1803 Supreme Court case Marbury v. Madison? Select one:
A. presidential impeachment by Congress
B. presidential veto of laws passed by Congress
C. judicial review of laws passed by Congress
D. congressional confirmation of Supreme Court appointees

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.