How might the decision in McCulloch v. Maryland make future Supreme Court decisions more complicated?

In McCulloch v. Maryland, the Court held that Congress had implied powers under the Constitution and that federal law was supreme over conflicting state law. That principle could make later cases more complicated because the Court would need to decide how far federal powers extend and where their limits lie. Choice B captures this challenge; choice D describes federal supremacy but not the added question of defining limits.

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