Final answer:
The authoritarian leadership style would be interesting to compare to Machiavelli's ideas about effective leadership in The Prince.
Step-by-step explanation:
The leadership style of a modern-day world leader that would be interesting to compare to Machiavelli’s ideas about effective leadership as set forth in The Prince is the authoritarian style. Machiavelli's ideas in The Prince emphasize a strong, central leader who wields power and authority. An authoritarian leader, much like Machiavelli's ideal leader, issues orders and assigns tasks without much input or participation from others.