Final answer:
The best completion for the graphic organizer on President Carter's foreign policy focuses is 'Defend human rights around the world', highlighting his commitment to peace and human rights advocacy.
Therefore, option D is correct.
Step-by-step explanation:
The phrase that best completes the graphic organizer showing the focuses of President Carter's foreign policy is 'Defend human rights around the world'. President Carter's approach to foreign policy was significantly influenced by a commitment to moral principles, with a particular emphasis on peace and human rights. He made substantial efforts to improve relations with China, reduce arms with the Soviet Union through SALT II agreements, and facilitate the Camp David Accords leading to a peace treaty between Egypt and Israel.