the first part of declaration of independence was the preamble. what was the purpose of this part

The purpose of the preamble in the Declaration of Independence was to establish the reasons and justifications behind the decision to declare independence from British rule. It set the tone and provided the philosophical foundation for the subsequent arguments made in the document. The preamble highlighted the fundamental principles of equality, natural rights, and government by consent that shaped the colonists' worldview and their desire for self-governance. It aimed to articulate the grievances and rights that the colonists believed were being violated by the British government, offering a moral and legal basis for their separation.