Answer :
The unwritten constitution includes the practice of judicial review. Judicial review is the idea that the actions of the legislative and executive branches of the United States government are subject to review by the Judicial branch!
The "unwritten constitution" Includes the practice of judicial review. Judicial review of laws is a process by which the legislative and executive actions are reviewed by the judiciary. It refers to a review of the United States Supreme Court of the constitutional validity of a legislative act. Judicial review is one of the checks balances in the separation of powers.