The Bill of Rights, adopted in 1791 as the first ten amendments to the U.S. Constitution, guarantees individual freedoms and rights against government infringement. These amendments enshrine fundamental rights, including freedom of speech, religion, assembly, and the right to a fair trial. Their principle lies in protecting citizens’ liberties and limiting governmental power, ensuring that the Constitution recognizes essential human rights. The importance of the Bill of Rights has been profound, serving as a crucial legal foundation for civil liberties in American law, influencing many later democratic constitutions globally and ensuring ongoing debates about the scope of rights in contemporary society.