The judge has the ultimate authority in a courtroom.
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JURY
A jury.
They are applying "case law" to make their decisions.
Key decisions of the supreme court under the leadership pf john marshall solidified the power of the supreme court to review the constitutionality of the state and federal law.
"The judicial power shall extend to all cases, in law and equity, arising under the ... Most decisions taken in these courts are usually final but they can be reviewed by the .... has to examine the social and political make-up of the Supreme Court.
If there is a problem with the constitutionally of a law the Supreme Court makes the decision. The president has no power.
The US Supreme Court's primary power is NOT to shape public policy, but instead, its primary power concerns upholding, protecting, and to a limited degree interpreting the US Constitution for today's problems.
Previous Judicial Decisions
Previous Judicial Decisions
The Supreme Court in the United States has the power to interpret the Constitution, review laws and executive actions for constitutionality, and make final decisions on legal disputes between states or involving federal law.
They can strike down any law they see as unconstitutional if it is challenged in court.