How did Chief Justice John Marshall establish Judicial Review and use it to insure the Supreme Court's role as the viable third branch (along with the Executive and Legislative) in our checks and balances system?

Question

How did Chief Justice John Marshall establish Judicial Review and use it to insure the Supreme Court's role as the viable third branch (along with the Executive and Legislative) in our checks and balances system?
On this question be sure to concentrate on the Federalist/Anti-Federalist debate angle.<< HELP I AM SO CONFUSED

Ms. Sue · Answer

Marshall strengthened the federal government by ruling that the Supreme Court had the power to declare an act unconstitutional.

This site has more details.

http://en.wikipedia.org/wiki/Marbury_v._Madison