Respuesta :
B) By congress.
"Article III of the Constitution established a Supreme Court, but left to Congress the authority to create lower federal courts as needed."-www.loc.gov/rr/program/bib/ourdocs/judiciary.html
Answer:
B) By Congress.
Explanation:
Article III of the United States Constitution creates the US Supreme Court and invested the power to Congress to create as inferior courts as they establish from time to time. That Article also defines the time in which the Judges from all courts would maintain their charge. As long as their good behavior remains.
I hope this answer helps you.