Johnson's Support for the Controversial Central Arizona Water Project Illustrates

Johnson's support for the controversial Central Arizona Water Project illustrates __________.

A) the ability of a member of Congress to trade his or her support for the president's policy for direct political support in a campaign
B) the ability of the president to persuade a member of Congress by endorsing his or her pet project
C) the ability of the president to used media coverage of a political issue to convince a member of Congress to sign on to his or her policy objectives
D) the ability of a member of Congress to use psychological tactics to persuade the president to side with a controversial piece of legislation