Other than the u. s supreme court, all federal courts were established by

The correct answer is Congress.

Congress is granted this power in Article III Section 1 of the United States Constitution. These federal courts help to solve issues between different states and reduce the amount of cases that the Supreme Court needs to hear on a yearly basis. There are several different federal courts all over the country. They are organized by geographic region.

#1 im pretty sure its a.

i believe the answer would be 1.