D. It explains the philosophy that supports separation from Great Britain.
Explanation:
This passage explains the basic philosophy that the Founding Fathers believed in. These ideas are a consequence of the Enlightenment movement that gained traction in Europe during the 18th century. By explaining what their philosophy is, the writers of the Declaration of Independence provide evidence of why separation from Great Britain is necessary. They believe that the protection of inalienable rights as well as the rights to equality, life, liberty and the pursuit of happiness were impossible to achieve under British rule.
