In the text, you read this about Franklin D. Roosevelt and the federal courts: Soon after his inauguration in January 1937, Roosevelt put forward a plan to enlarge the federal courts. He called for raising the number of Justices on the Supreme Court from 9 to 15. The change would make it possible for him to appoint six new Justices who supported his programs.

Use the passage to answer the question.

Based on the evidence from the excerpt, which of the following principles might critics have charged President Roosevelt with violating?

A. trial by jury

B. laissez faire policy

C. separation of powers

D. freedom of speech​