Answer:
Because it is list in the constitution.
The article #3 of the constitution grants the power to judges to decide executive order cases where “Controversies to which the United States shall be a Party.” At the same time in this article the Supreme Court is recognized as the highest court
Step-by-step explanation:
Judges are appointed not elected. The courts do have the power to declare an executive order illegal or unconstitutional. The supreme court and as therefore judges have ultimate appellate jurisdiction over all federal and state court cases that involve a point of federal law.