How do Confucianism and Legalism each in different ways envision a ruler establishing and guaranteeing harmony?

How do Confucianism and Legalism each in different ways envision a ruler establishing and guaranteeing harmony between heaven and earth? What are the principal values of each? To what extent can one school be seen to emphasize coercion, while the other school emphasizes the cultivation of superior individuals? How could representatives of each school claim to offer the best policy guidance to Han rulers?