In order to overcome his greatest obstacle to implementing his new deal reform measures, President Franklin D. Roosevelt attempted to do which of the following?
A) redraw the lines of congressional district, so that more Democrats would be elected to Congress
B) rewrite the Senate rules, so that Republicans could no longer use the filibuster to block new deal legislation
C) increase the size of the supreme court, so that he could appoint justices who would supply ruling favorable to him
D) reduce the size of the house of representatives so that fewer Republicans could vote against new deal legislation