Answer:
5a. The Constitution of the United States
The proposal by George Mason, author of the \/irginia Declaration of Rights (1776), to preface the United States Constitution with a bill of rights was rejected by delegates at the 1787 Constitutional Convention. 5b. The Bill of Rights, commonly known as the First Ten Amendments, established specific rights for citizens of the United States that the government could not deny them under the Constitution, which is the ultimate law of the land.