In 3-5 sentences explain, how did Montesquieu and his ideas and thoughts contribute to how our government is shaped?

Montesquieu's most significant contribution to the shaping of our government was his theory of the separation of powers. He believed that the best way to prevent tyranny and protect individual liberties was to divide governmental power among three branches: legislative, executive, and judicial. This idea heavily influenced the structure of the United States government, as seen in the three branches of government outlined in the Constitution. Montesquieu's writings also emphasized the importance of checks and balances within the government to limit the power of any one branch and prevent abuses of power, which were further incorporated into the US Constitution. Overall, Montesquieu's ideas laid the foundation for the structure and principles of modern democratic governments.