The purpose of President Franklin Roosevelt's Judiciary Reorganization Bill of 1937 was D. To allow the President to add new members of the Supreme Court for every justice who was over the age of 70, which would give him greater control.
This bill was proposed as a way to alleviate the backlog of cases and to reshape the Supreme Court, which had been striking down several key pieces of New Deal legislation. Roosevelt aimed to increase the number of justices on the Court, which would give him greater influence over its decisions.