There was a need to set up these courts to deal with the matter which were not very important that they had to be dealt in the supreme court.
Explanation:
The act which was passed in the year of 1789 regarding the judiciary of the United States made a rule that certain judicial courts had to be established by the government of the United States.
According to the needs of the congress to deal with the matter which were not so important that they had to reported to the supreme court and only the matter which were very important would go to the supreme court.
