A Moving to another question will save this response. stion 1 a process by the parties of questioning and examining parties, witnesses and documents to learn the facts of a case before trial arbitration O a. litigation b. discovery Oc. Question 3 When an appeal is filed with the U.S. Supreme Court, the Supreme Court must hear the case if the validity of a federal statute is in question. must hear the case if two or more U.S. courts of appeals have decided the legal issue differently has discretion as to which cases it hears must hear all cases