What Is the Feedback Mechanism Discussed in the Section "Economic

What is the feedback mechanism discussed in the section "Economic Power and the President?"

A) Economically powerful people help elect a president who then appoints these economically powerful people to positions that allow them to increase their power even further.
B) Economically powerful people help elect a president, who then fulfills his duty to represent the public interest fairly and equally.
C) Those who have economic power are elected president and, in turn, become less powerful.
D) Those who have economic power request feedback from the president in the form of briefings and reports.