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
There were lots of factors. Look in your book.
Answer:
The Continental System or Continental Blockade (known in French as Blocus continental) was the foreign policy of Napoleon I of France against the United Kingdom during the Napoleonic Wars . As a response to the naval blockade of the French coasts enacted by the British government on 16 May 1806,
in other answers its C