Which enlightenment thinker can be accredited with the constitutional principle of separation of powers?

The Constitutional Principle of Separation of Powers was written by Charles-Louis de Secondat, Baron de La Brède et de Montesquieu, or simply referred to as  Montesquieu. He was a French lawyer and political philosopher during the Age of Enlightenment of the 18th century. His work has since been used by many constitutions in different countries.

C, because he has a direct link and profit from the trade. the fastest way by boat to transport those goods is via the panama canal.