Who was in charge of establishing the first federal court system?

George Washington and the first Congress.

Explanation:

The first federal court system was created after George Washington signed the Judiciary act of 1789 during his presidency.

The act established the supreme court as the highest holder of judicial power In United States. The act created several lower courts to handle all law proceedings, but all of those lower courts have to follow the guidance made by the supreme court.

answer; /// i believe the correct answer is (b) disposition

answer; the best answer is (demand);