How might the decision in McCulloch v. Maryland make future Supreme Court decisions more complicated? The principle of federal supremacy meant the Court would more often rule in favor of federal powers over those of individual states. The principle of implied powers meant the Court could rule based on what it felt was right rather than basing its decisions on the Constitution. The principle of implied powers meant the Court might spend more time interpreting the Constitution rather than simply following it to the letter. The principle of federal supremacy meant the Court would have to determine new limits on the federal government’s power.