Answer :
Final answer:
John Marshall's opinion in Marbury v. Madison established judicial review, impacting the U.S. government's power dynamics.
Explanation:
John Marshall's opinion in Marbury v. Madison had significant effects on the power dynamics of the U.S. government. Marshall's decision established the principle of judicial review, empowering the Supreme Court to determine the constitutionality of laws enacted by Congress. Additionally, by declaring part of the Judiciary Act of 1789 unconstitutional, Marshall expanded the Court's authority while simultaneously limiting it, setting a precedent for future judicial actions.
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