Cases produce substantial changes both in the understanding of the requirements of due process and in the practical day to day operations of the justice system.

Landmark case

Explanation:

Landmark case is a court case that is studied because it has historical and legal significance. The most significant cases are those that have had a lasting effect on the application of a certain law. Landmark cases produce substantial changes both in the understanding of the requirements of due process and in the practical day to day operations of the justice system. Landmark cases are useful understanding how the judicial branch works, to see how past judicial decisions have affected the law

answer; the president uses mass media to gain support for policies;