The correct answer to this open question is the following.
The Anti-federalists insisted that the people's rights be written and added to the Constitution before they approved it. The first 10 amendments became known as the Bill of Rights.
The Bill of Rights is the first 10 amendments to the United States Constitution. These amendments were written by Federalists James Madison.
Federalists like John Jay and Alexander Hamilton supported the idea of having a strong central government for the United States. On the other hand, Antofederailists like Thomas Jefferson did not support that project. They wanted a simpler form of government that considered many rights for the citizens. That is when James Madison came up with the Bill of Rights.