Read the excerpt and answer the question(s) that follow. Preamble of the United States Constitution We the people of the United States, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this Constitution for the United States of America. The purpose of this preamble is to -- A) confirm the responsibilities of the leaders of the United States of America B) lists the rights and responsibilities of United States citizens C) explain the reasons why the leaders of the United States ordained the Constitution as America's guiding legal document D) provide the reasons why the Framers of the Constitution needed the Articles of Confederation