Answer:
Article III, Section I states that "The judicial Power of the United States, shall be vested in one supreme Court, so if one court does something they will need to tell the other courts because most courts would consider others a team and also they would need to be confirmed by people because they court could think that they are doing something good but the people don't like it and what they are trying 2 do. Also they need to be confirmed by the public is because if the court is trying to help they need to see what others are thinking about it
Explanation:
mykaren clark