Which option would best fit in this diagram in the bubble labeled above

The correct option is C The U.S Supreme Court.

Explanation:

The U.S Supreme Court is known to be the most elevated judicial power according to the article Article III, Section I of the constitution. The U.S Supreme Court has the right to invalidate any sentence passed by another court .The Congress is involved in selecting and maintaining the U.S Supreme Court. All other courts rank under the U.S Supreme Court. Hence, bubble 1 is most likely to be the U.S Supreme Court.

d) a constitutional amendment