Final answer:
The U.S. Constitution was designed to protect against unchecked power from an authority and prevent tyranny of the majority. It achieved this through the division of power among three branches of government and the implementation of checks and balances.
Step-by-step explanation:
The essential goal of the U.S. Constitution was to protect against unchecked power from an authority. The framers of the Constitution aimed to create a stronger national government that would prevent tyranny and enhance liberty. They divided power among three branches of government and implemented a system of checks and balances to ensure that no one branch becomes too powerful. This would prevent the tyranny of the majority and protect the rights of the citizens.