Answer: To interpret the law
Step-by-step explanation:
Supreme Court is the highest ranked tribunal, final judge of any judicial process and head of judiciary in the US. Supreme Court's establishment is set back in March 4, 1789.
Their members consist of a chief justice and eight associate members, both named by the President of the United States. These jobs are for life and they can only be removed if their doing it's contrary to their required honest performance.
Its main role is guarding and interpreting the law made by the legislative branch.