D Which statement about the president's legislative agenda-setting power is accurate? a) The president used to have considerable power to set the legislative agenda; Congress has since taken more of this power. b) The president has considerable power to affect the legislative agenda through vetoes alone, and this is the most frequent use of this power. c) The president's legislative agenda-setting power has no basis in the Constitution; it was first asserted in the late 1900s. d) The president has gained considerable power to set the legislative agenda; it has grown since the mid 1800s and expanded greatly in the 1930s.