The correct answer is They ensured the role of the judicial branch in the system of checks and balances. Article 3 of the United States Constitution created the judicial branch of the federal government.
The American Supreme Court is made up of nine judges appointed by the President of the Republic for a lifetime term, although they must be confirmed by the Senate.
As in many countries, the Court is the highest judicial body in the United States and its essential task is to take care of the constitutionality of laws.
Members of the American Supreme Court can retire, if they wish, when they reach 70, although this rarely happens.
