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A
Makes laws
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B
Reviews and explains laws; resolves disputes; decides if a law goes against the Constitution
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C
Commands the army
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D
Collects taxes
Why this is the answer
The JUDICIAL BRANCH: Reviews and explains laws; resolves disputes (disagreements); decides if a law goes against (is consistent with) the Constitution. USCIS Civics Question: 'What does the judicial branch do?' — Accepted answers: reviews laws; explains laws; resolves disputes (disagreements); decides if a law goes against the Constitution. The judicial branch includes the Supreme Court and the federal courts. JUDICIAL REVIEW (established in Marbury v. Madison, 1803) is the power to declare laws unconstitutional. The Supreme Court is the highest court, with 9 justices who serve for life.
Source: USCIS Civics — Judicial Branch