Answer:
A Supreme Court Justice holds office for life.
A state law may be overturned by the Supreme Court.
The Supreme Court can determine if the actions of the President are legal.
Explanation:
The Supreme Court is the highest court of the American Court. Its members are appointed by the US president and the position is lifelong, that is, ministers work in the Supreme Court until they retire.
The Supreme Court is responsible, among other things, for upholding the American Constitution. This means that if a state law is considered unconstitutional, the Supreme Court has the power to annul it. In addition, when provoked, the Supreme Court can evaluate the legality of the actions of the president and the constitutionality of the Laws of the Congress.