Final answer:
The Founding Fathers of the U.S. Constitution looked at many different types of governments before constructing their own. They drew inspiration from Enlightenment ideas and studied the structures of earlier republics. The United States Constitution established a federal republic with three branches of government and a system of checks and balances.
Step-by-step explanation:
The Founding Fathers of the U.S. Constitution carefully considered various forms of government when setting up the structure of the American government. They were inspired by Enlightenment ideas and studied earlier republics. The final document, the United States Constitution, established a federal republic with three branches of government and a system of checks and balances.