Final answer:
Thomas Jefferson would have favored a federal system as it aligns with his belief in the significance of state rights and the necessity to prevent tyranny by balancing power between a central government and individual states.
Step-by-step explanation:
Thomas Jefferson would have favored a federal system of government. In the various descriptions of government systems, it becomes clear that federalism provides a balance that allows for strong central governance in certain areas while giving individual states or regions autonomy in others. This is reflected in Jefferson's own beliefs in the importance of state rights and the need for a check on central power to avoid tyranny. Federalism fosters political participation, encourages policy innovation at the state level, and can adapt to multinational or multi-ethnic countries by providing regional autonomy.