Final answer:
The main delegates at the Constitutional Convention, including James Madison, played significant roles in the formation of the United States Constitution. Madison, as the Chief Recorder of Information, developed a constitution for Virginia that influenced the new constitution. He also created the Bill of Rights to protect the personal rights of citizens.
Step-by-step explanation:
The main delegates at the Constitutional Convention played important roles in the formation of the United States Constitution. James Madison, also known as the 'Father of the Constitution,' was the Chief Recorder of Information for the convention and developed a constitution for his home state of Virginia which served as the foundation for the new constitution. Madison also developed and created the first amendments to the Constitution, known as the Bill of Rights, which guarantee personal rights of citizens.