He refers to the constitutional division of powers to highlight the importance of communication between the President and members of Congress.
Explanation:
Kennedy uses the constitution to show that an efficient government is only possible through collaboration and an extremely well structured relationship and between all parliamentarians and the president of the republic. This is reinforced by the constitution due to the establishment of the three governmental powers, which are the judicial, legislative and executive powers that must work together for the growth of the country.
It helps develop the theme because with the teacher being strict Kevin no longer tries to get answers from his father and listens to the teacher and Kevin learns from it.