Final answer:
The president fulfills the role of Party Leader when selecting a member of his own party to a political office.
Step-by-step explanation:
When the president selects a member of his own party to a political office, he is fulfilling the role of Party Leader. This role involves selecting individuals who align with the president's political party and ideology. By appointing members from his own party, the president can ensure a sense of unity and shared goals within his administration.
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