Final answer:
The portion of the U.S. Constitution in the question is the Preamble, which outlines the goals and purposes of the document.
Step-by-step explanation:
The portion of the U.S. Constitution provided in the question is the Preamble. The Preamble serves as the introduction to the Constitution and outlines the goals and purposes of the document. It states that its purpose is to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity.
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