PLEASE HELP! WILL MARK BRAINLIEST! The Supreme Court serves what important function in the U. S. federal government?
A. It determines whether any actions by the executive and legislative branches are unconstitutional
B. It promotes the principle of limited government by consistently practicing judicial restraint
C. It appoints all other federal judges to ensure consistent rulings at all levels
D. It ensures that all Americans receive a fair trial by accepting all cases submitted to it.