How did montesquieu's ideas about government different from his predecessor classical division of monarchy, aristocracy, and democracy?

The correct answer to this open question is the following.

Montesquieu's ideas about government were different from his predecessor's classical division of monarchy, aristocracy, and democracy in the following way.

Baron of Montesquiou was one of the prominent thinkers of the Enlightenment period. He proposed innovative ideas that clashed with the previous traditional ideas about the form of government. Montesquiou conceived the idea of a government divided by three different branches in order to balance power. This great idea influenced other nations years later, such as the United States that installed a division of powers in three different branches: an executive, a legislative, and a judicial branch.

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where is the diagram