The purpose of the preamble in the Declaration of Independence was to outline the reasons and justifications for why the colonists were asserting their independence from Great Britain. It established the principles and beliefs underlying their decision and declared that it was necessary and proper for them to separate from British rule. The preamble also emphasized the fundamental rights and equality of all individuals and stated that governments derive their power from the consent of the governed. Overall, it served as an introduction and a statement of the colonists' intentions and beliefs.
