Final answer:
The Marbury v. Madison case is significant because it established the principle of judicial review, allowing the Supreme Court to review and overturn unconstitutional acts of Congress.
Step-by-step explanation:
The significant aspect of the Marbury v. Madison case in relation to the legal system is that the Supreme Court used the principle of judicial review regarding a federal law.
Judicial review is the power of the courts to determine the constitutionality of laws. In this case, the Supreme Court declared that a section of the Judiciary Act of 1789, which bestowed the Court with the power to issue a writ of mandamus, was unconstitutional.
This case established the principle of judicial review, affirming that the Supreme Court has the authority to review and overturn acts of Congress that are determined to be in violation of the Constitution.
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