The formation of the U.S. Bill of Rights in 1791 was rooted in historical concerns about individual liberties and government power. During the debate over the ratification of the Constitution, Anti-Federalists feared that a strong central government could infringe upon personal freedoms. To assuage these fears and ensure broader support for the new Constitution, the Federalists promised to add a set of amendments guaranteeing specific rights. The Bill of Rights, consisting of the first ten amendments, was ratified to secure essential freedoms, such as speech, assembly, and religion, ultimately shaping American democracy and legal frameworks.