The appointment power of the president allows him or her to appoint ambassadors, cabinet members and all military officers. The correct option among all the options given in the question is option "D". Before taking charge of the office, the new president has to appoint almost 6000 new federal positions. He appoints selective people in the top posts that suit his agenda. He also has the power to nominate federal judges. Actually the President mostly appoints the people based on the suggestions of his cabinet.