What purpose might the Founding Fathers have had for providing this Preamble at the beginning of the US Constitution?

The Founding Fathers included the Preamble to the US Constitution to articulate the foundational goals and principles of the new government. It serves to establish the purpose of the Constitution, emphasizing ideals such as justice, liberty, and the promotion of the general welfare. By outlining these objectives, the Preamble helps unify the states under a common vision and sets the stage for the detailed provisions that follow. Ultimately, it reflects their commitment to a government that serves the people and secures their rights.