A case that could have affected the Supreme Court in a positive or in a negative way, and landmark cases are the most in important cases in the U. S Supreme court. For Example the first landmark case was Marbury v. Madison, It was the first time the Supreme court had ever used Judicial Review. Also in a most landmark cases it involves U. S citizens rights.

Explanation:

Madison, legal case in which, on February 24, 1803, the U.S. Supreme Court first declared an act of Congress unconstitutional, thus establishing the doctrine of judicial review. The court's opinion, written by Chief Justice John Marshall, is considered one of the foundations of U.S. constitutional law.

peace keepers

idealism to be spread

riches kept

yes.

explanation:

because it let the japanese know who had the upper hand in the war.