Problem: Which of the following contributed to a vast expansion and strengthening of the role of the federal judiciary since World War II? Correct Answer(s) The federal courts greatly expanded the concept of standing. Press Space to open The federal courts broadened the scope of remedies they could provide by permitting suits on behalf of broad categories or classes of persons in "class-action" cases, rather than just on behalf of individuals. Press Space to open Congress expanded the number of Supreme Court justices from nine to thirteen. Press Space to open Congress expanded the original jurisdiction of the U.S. Supreme Court to permit most cases to be filed directly with the U.S. Supreme Court. Press Space to open Incorrect Answer(s)